Faculty Appointments
Research Assistant Professor of Biostatistics
Education
Ph.D., Biostatistics, Vanderbilt University, Nashville, TennesseeM.Ed., Secondary Education, Vanderbilt University, Nashville, TennesseeB.A., Religious Studies, Yale University, New Haven, Connecticut
Publications
Lewis JA, Samuels LR, Denton J, Matheny ME, Maiga A, Slatore CG, Grogan E, Kim J, Sherrier RH, Dittus RS, Massion PP, Keohane L, Roumie CL, Nikpay S. The Association of Health-Care System Resources With Lung Cancer Screening Implementation: A Cohort Study. Chest [print-electronic]. 2022 Apr 4/9/2022; PMID: 35413280, PII: S0012-3692(22)00603-1, DOI: 10.1016/j.chest.2022.03.050, ISSN: 1931-3543.
Hawkins AT, Samuels LR, Rothman RL, Geiger TM, Penson DF, Resnick MJ. National Variation in Elective Colon Resection for Diverticular Disease. Ann Surg. 2022 Feb 2/1/2022; 275(2): 363-70. PMID: 32740245, PII: 00000658-202202000-00022, DOI: 10.1097/SLA.0000000000004236, ISSN: 1528-1140.
Heerman WJ, Samuels LR, González Peña T, van Wyk C, Mayberry LS, Lounds Taylor J, Martin NC. Family resilience and childhood obesity among children exposed to adverse childhood experiences in a national survey. Obes Sci Pract. 2022 Feb; 8(1): 3-11. PMID: 35127118, PMCID: PMC8804940, PII: OSP4497, DOI: 10.1002/osp4.497, ISSN: 2055-2238.
Spalluto LB, Lewis JA, Samuels LR, Callaway-Lane C, Matheny ME, Denton J, Robles JA, Dittus RS, Yankelevitz DF, Henschke CI, Massion PP, Moghanaki D, Roumie CL. Association of Rurality With Annual Repeat Lung Cancer Screening in the Veterans Health Administration. J Am Coll Radiol. 2022 Jan; 19(1 Pt B): 131-8. PMID: 35033300, PMCID: PMC8830608, PII: S1546-1440(21)00747-X, DOI: 10.1016/j.jacr.2021.08.027, ISSN: 1558-349X.
Hawkins AT, Samuels LR. Use of Confidence Intervals in Interpreting Nonstatistically Significant Results. JAMA. 2021 Nov 11/23/2021; 326(20): 2068-9. PMID: 34812882, PII: 2786522, DOI: 10.1001/jama.2021.16172, ISSN: 1538-3598.
Martin RL, Edwards GC, Samuels LR, Eng C, Roumie CL. Colorectal cancer adjuvant chemotherapy trends among a nonelderly veteran cohort at a southern veterans health administration. Cancer Rep (Hoboken) [print-electronic]. 2021 Aug 8/12/2021; e1508. PMID: 34383384, DOI: 10.1002/cnr2.1508, ISSN: 2573-8348.
Edwards GC, Martin RL, Samuels LR, Wyman K, Bailey CE, Kiernan CM, Snyder RA, Dittus RS, Roumie CL. Association of Adherence to Quality Metrics with Recurrence or Mortality among Veterans with Colorectal Cancer. J Gastrointest Surg [print-electronic]. 2021 Aug; 25(8): 2055-64. PMID: 33169321, PII: 10.1007/s11605-020-04804-2, DOI: 10.1007/s11605-020-04804-2, ISSN: 1873-4626.
Wiese AD, Osmundson SS, Mitchel E, Adgent M, Phillips S, Patrick SW, Horn A, Samuels LR, Griffin MR, Grijalva CG. Prescription Opioid Dose After Vaginal Delivery and the Risk of Serious Opioid-Related Events: A Retrospective Cohort Study. Womens Health Issues [print-electronic]. 2021 Jul; 31(4): 376-83. PMID: 33865673, PMCID: PMC8260443, PII: S1049-3867(21)00024-4, DOI: 10.1016/j.whi.2021.03.002, ISSN: 1878-4321.
Heerman WJ, Samuels LR, Barr L, Burgess LE, Hartmann KE, Barkin SL. The Effect of a General Healthy Lifestyle Intervention Delivered Around Pregnancy on Gestational Weight Gain and Infant Growth. Matern Child Health J. 2020 Nov; 24(11): 1404-11. PMID: 32815077, PMCID: PMC7572871, PII: 10.1007/s10995-020-02998-0, DOI: 10.1007/s10995-020-02998-0, ISSN: 1573-6628.
Lewis JA, Samuels LR, Denton J, Edwards GC, Matheny ME, Maiga A, Slatore CG, Grogan E, Kim J, Sherrier RH, Dittus RS, Massion PP, Keohane L, Nikpay S, Roumie CL. National Lung Cancer Screening Utilization Trends in the Veterans Health Administration. JNCI Cancer Spectr. 2020 Oct; 4(5): pkaa053. PMID: 33490864, PMCID: PMC7583162, PII: pkaa053, DOI: 10.1093/jncics/pkaa053, ISSN: 2515-5091.
Osmundson SS, Min JY, Wiese AD, Hawley RE, Mitchel E, Patrick SW, Samuels LR, Griffin MR, Grijalva CG. Opioid Prescribing After Childbirth and Risk for Serious Opioid-Related Events: A Cohort Study [letter]. Ann Intern Med [print-electronic]. 2020 Sep 9/1/2020; 173(5): 412-4. PMID: 32510992, PMCID: PMC8081555, DOI: 10.7326/M19-3805, ISSN: 1539-3704.
Heerman WJ, Sommer EC, Qi A, Burgess LE, Mitchell SJ, Samuels LR, Martin NC, Barkin SL. Evaluating dose delivered of a behavioral intervention for childhood obesity prevention: a secondary analysis. BMC Public Health. 2020 Jun 6/8/2020; 20(1): 885. PMID: 32513226, PMCID: PMC7281919, PII: 10.1186/s12889-020-09020-w, DOI: 10.1186/s12889-020-09020-w, ISSN: 1471-2458.
Apple R, Samuels LR, McGee-Swope K, Alsup C, Dewey C, Roumie CL. The Relationship Between Institution-Affiliated Childcare and Employee Stress. J Occup Environ Med. 2020 Jan; 62(1): 87-92. PMID: 31764603, DOI: 10.1097/JOM.0000000000001774, ISSN: 1536-5948.
Heerman WJ, Teeters L, Sommer EC, Burgess LE, Escarfuller J, Van Wyk C, Barkin SL, Duhon AA, Cole J, Samuels LR, Singer-Gabella M. Competency-Based Approaches to Community Health: A Randomized Controlled Trial to Reduce Childhood Obesity among Latino Preschool-Aged Children. Child Obes [print-electronic]. 2019 Dec; 15(8): 519-31. PMID: 31381365, PMCID: PMC6862953, DOI: 10.1089/chi.2019.0064, ISSN: 2153-2176.
Heerman WJ, Sommer EC, Slaughter JC, Samuels LR, Martin NC, Barkin SL. Predicting Early Emergence of Childhood Obesity in Underserved Preschoolers. J Pediatr [print-electronic]. 2019 Oct; 213: 115-20. PMID: 31353040, PMCID: PMC6765410, PII: S0022-3476(19)30794-2, DOI: 10.1016/j.jpeds.2019.06.031, ISSN: 1097-6833.
Wilson JE, Boehm L, Samuels LR, Unger D, Leonard M, Roumie C, Ely EW, Dittus RS, Misra S, Han JH. Use of the brief Confusion Assessment Method in a veteran palliative care population: A pilot validation study. Palliat Support Care. 2019 Oct; 17(5): 569-73. PMID: 30887938, PMCID: PMC6752980, PII: S1478951518001050, DOI: 10.1017/S1478951518001050, ISSN: 1478-9523.
Liberman JS, Samuels LR, Goggins K, Kripalani S, Roumie CL, . Opioid Prescriptions at Hospital Discharge Are Associated With More Postdischarge Healthcare Utilization. J Am Heart Assoc. 2019 Feb 2/5/2019; 8(3): e010664. PMID: 30689500, PMCID: PMC6405584, DOI: 10.1161/JAHA.118.010664, ISSN: 2047-9980.
Trumbo SP, Iams WT, Limper HM, Goggins K, Gibson J, Oliver L, Leverenz DL, Samuels LR, Brady DW, Kripalani S. Deimplementation of Routine Chest X-rays in Adult Intensive Care Units. J Hosp Med. 2019 Feb; 14(2): 83-9. PMID: 30785415, PMCID: PMC8102033, DOI: 10.12788/jhm.3129, ISSN: 1553-5606.
Samuels LR, Greevy RA. Bagged one-to-one matching for efficient and robust treatment effect estimation. Stat Med [print-electronic]. 2018 Dec 12/20/2018; 37(29): 4353-73. PMID: 30101483, DOI: 10.1002/sim.7926, ISSN: 1097-0258.
Heerman WJ, Burgess LE, Escarfuller J, Teeters L, Slesur L, Liu J, Qi A, Samuels LR, Singer-Gabella M. Competency Based Approach to Community Health (COACH): The methods of a family-centered, community-based, individually adaptive obesity randomized trial for pre-school child-parent pairs. Contemp Clin Trials [print-electronic]. 2018 Oct; 73: 1-7. PMID: 30144630, PMCID: PMC6310120, PII: S1551-7144(18)30360-4, DOI: 10.1016/j.cct.2018.08.006, ISSN: 1559-2030.
Apple R, Samuels LR, Fonnesbeck C, Schlundt D, Mulvaney S, Hargreaves M, Crenshaw D, Wallston KA, Heerman WJ. Body mass index and health-related quality of life. Obes Sci Pract. 2018 Oct; 4(5): 417-26. PMID: 30338112, PMCID: PMC6180707, PII: OSP4292, DOI: 10.1002/osp4.292, ISSN: 2055-2238.
Osborn KE, Liu D, Samuels LR, Moore EE, Cambronero FE, Acosta LMY, Bell SP, Babicz MA, Gordon EA, Pechman KR, Davis LT, Gifford KA, Hohman TJ, Blennow K, Zetterberg H, Jefferson AL. Cerebrospinal fluid ß-amyloid42 and neurofilament light relate to white matter hyperintensities. Neurobiol Aging [print-electronic]. 2018 Aug; 68: 18-25. PMID: 29702372, PMCID: PMC6085839, PII: S0197-4580(18)30117-9, DOI: 10.1016/j.neurobiolaging.2018.03.028, ISSN: 1558-1497.
Heerman WJ, JaKa MM, Berge JM, Trapl ES, Sommer EC, Samuels LR, Jackson N, Haapala JL, Kunin-Batson AS, Olson-Bullis BA, Hardin HK, Sherwood NE, Barkin SL. The dose of behavioral interventions to prevent and treat childhood obesity: a systematic review and meta-regression. Int J Behav Nutr Phys Act. 2017 Nov 11/15/2017; 14(1): 157. PMID: 29141651, PMCID: PMC5688650, PII: 10.1186/s12966-017-0615-7, DOI: 10.1186/s12966-017-0615-7, ISSN: 1479-5868.
Bell SP, Liu D, Samuels LR, Shah AS, Gifford KA, Hohman TJ, Jefferson AL. Late-Life Body Mass Index, Rapid Weight Loss, Apolipoprotein E e4 and the Risk of Cognitive Decline and Incident Dementia. J Nutr Health Aging. 2017; 21(10): 1259-67. PMID: 29188888, PMCID: PMC5736008, DOI: 10.1007/s12603-017-0906-3, ISSN: 1760-4788.
Hohman TJ, Samuels LR, Liu D, Gifford KA, Mukherjee S, Benson EM, Abel T, Ruberg FL, Jefferson AL, . Stroke risk interacts with Alzheimer's disease biomarkers on brain aging outcomes. Neurobiol. Aging [print-electronic]. 2015 Sep; 36(9): 2501-8. PMID: 26119224, PMCID: PMC4523400, PII: S0197-4580(15)00305-X, DOI: 10.1016/j.neurobiolaging.2015.05.021, ISSN: 1558-1497.
Gifford KA, Phillips JS, Samuels LR, Lane EM, Bell SP, Liu D, Hohman TJ, Romano RR, Fritzsche LR, Lu Z, Jefferson AL, . Associations between Verbal Learning Slope and Neuroimaging Markers across the Cognitive Aging Spectrum. J Int Neuropsychol Soc. 2015 Jul; 21(6): 455-67. PMID: 26219209, PMCID: PMC4657447, PII: S1355617715000430, DOI: 10.1017/S1355617715000430, ISSN: 1469-7661.
Gifford KA, Liu D, Damon SM, Chapman WG, Romano Iii RR, Samuels LR, Lu Z, Jefferson AL, . Subjective memory complaint only relates to verbal episodic memory performance in mild cognitive impairment. J. Alzheimers Dis. 2015; 44(1): 309-18. PMID: 25281602, PMCID: PMC4351870, PII: NK15Q1Q4J780458U, DOI: 10.3233/JAD-140636, ISSN: 1875-8908.
Hawkins AT, Samuels LR, Rothman RL, Geiger TM, Penson DF, Resnick MJ. National Variation in Elective Colon Resection for Diverticular Disease. Ann Surg. 2022 Feb 2/1/2022; 275(2): 363-70. PMID: 32740245, PII: 00000658-202202000-00022, DOI: 10.1097/SLA.0000000000004236, ISSN: 1528-1140.
Heerman WJ, Samuels LR, González Peña T, van Wyk C, Mayberry LS, Lounds Taylor J, Martin NC. Family resilience and childhood obesity among children exposed to adverse childhood experiences in a national survey. Obes Sci Pract. 2022 Feb; 8(1): 3-11. PMID: 35127118, PMCID: PMC8804940, PII: OSP4497, DOI: 10.1002/osp4.497, ISSN: 2055-2238.
Spalluto LB, Lewis JA, Samuels LR, Callaway-Lane C, Matheny ME, Denton J, Robles JA, Dittus RS, Yankelevitz DF, Henschke CI, Massion PP, Moghanaki D, Roumie CL. Association of Rurality With Annual Repeat Lung Cancer Screening in the Veterans Health Administration. J Am Coll Radiol. 2022 Jan; 19(1 Pt B): 131-8. PMID: 35033300, PMCID: PMC8830608, PII: S1546-1440(21)00747-X, DOI: 10.1016/j.jacr.2021.08.027, ISSN: 1558-349X.
Hawkins AT, Samuels LR. Use of Confidence Intervals in Interpreting Nonstatistically Significant Results. JAMA. 2021 Nov 11/23/2021; 326(20): 2068-9. PMID: 34812882, PII: 2786522, DOI: 10.1001/jama.2021.16172, ISSN: 1538-3598.
Martin RL, Edwards GC, Samuels LR, Eng C, Roumie CL. Colorectal cancer adjuvant chemotherapy trends among a nonelderly veteran cohort at a southern veterans health administration. Cancer Rep (Hoboken) [print-electronic]. 2021 Aug 8/12/2021; e1508. PMID: 34383384, DOI: 10.1002/cnr2.1508, ISSN: 2573-8348.
Edwards GC, Martin RL, Samuels LR, Wyman K, Bailey CE, Kiernan CM, Snyder RA, Dittus RS, Roumie CL. Association of Adherence to Quality Metrics with Recurrence or Mortality among Veterans with Colorectal Cancer. J Gastrointest Surg [print-electronic]. 2021 Aug; 25(8): 2055-64. PMID: 33169321, PII: 10.1007/s11605-020-04804-2, DOI: 10.1007/s11605-020-04804-2, ISSN: 1873-4626.
Wiese AD, Osmundson SS, Mitchel E, Adgent M, Phillips S, Patrick SW, Horn A, Samuels LR, Griffin MR, Grijalva CG. Prescription Opioid Dose After Vaginal Delivery and the Risk of Serious Opioid-Related Events: A Retrospective Cohort Study. Womens Health Issues [print-electronic]. 2021 Jul; 31(4): 376-83. PMID: 33865673, PMCID: PMC8260443, PII: S1049-3867(21)00024-4, DOI: 10.1016/j.whi.2021.03.002, ISSN: 1878-4321.
Heerman WJ, Samuels LR, Barr L, Burgess LE, Hartmann KE, Barkin SL. The Effect of a General Healthy Lifestyle Intervention Delivered Around Pregnancy on Gestational Weight Gain and Infant Growth. Matern Child Health J. 2020 Nov; 24(11): 1404-11. PMID: 32815077, PMCID: PMC7572871, PII: 10.1007/s10995-020-02998-0, DOI: 10.1007/s10995-020-02998-0, ISSN: 1573-6628.
Lewis JA, Samuels LR, Denton J, Edwards GC, Matheny ME, Maiga A, Slatore CG, Grogan E, Kim J, Sherrier RH, Dittus RS, Massion PP, Keohane L, Nikpay S, Roumie CL. National Lung Cancer Screening Utilization Trends in the Veterans Health Administration. JNCI Cancer Spectr. 2020 Oct; 4(5): pkaa053. PMID: 33490864, PMCID: PMC7583162, PII: pkaa053, DOI: 10.1093/jncics/pkaa053, ISSN: 2515-5091.
Osmundson SS, Min JY, Wiese AD, Hawley RE, Mitchel E, Patrick SW, Samuels LR, Griffin MR, Grijalva CG. Opioid Prescribing After Childbirth and Risk for Serious Opioid-Related Events: A Cohort Study [letter]. Ann Intern Med [print-electronic]. 2020 Sep 9/1/2020; 173(5): 412-4. PMID: 32510992, PMCID: PMC8081555, DOI: 10.7326/M19-3805, ISSN: 1539-3704.
Heerman WJ, Sommer EC, Qi A, Burgess LE, Mitchell SJ, Samuels LR, Martin NC, Barkin SL. Evaluating dose delivered of a behavioral intervention for childhood obesity prevention: a secondary analysis. BMC Public Health. 2020 Jun 6/8/2020; 20(1): 885. PMID: 32513226, PMCID: PMC7281919, PII: 10.1186/s12889-020-09020-w, DOI: 10.1186/s12889-020-09020-w, ISSN: 1471-2458.
Apple R, Samuels LR, McGee-Swope K, Alsup C, Dewey C, Roumie CL. The Relationship Between Institution-Affiliated Childcare and Employee Stress. J Occup Environ Med. 2020 Jan; 62(1): 87-92. PMID: 31764603, DOI: 10.1097/JOM.0000000000001774, ISSN: 1536-5948.
Heerman WJ, Teeters L, Sommer EC, Burgess LE, Escarfuller J, Van Wyk C, Barkin SL, Duhon AA, Cole J, Samuels LR, Singer-Gabella M. Competency-Based Approaches to Community Health: A Randomized Controlled Trial to Reduce Childhood Obesity among Latino Preschool-Aged Children. Child Obes [print-electronic]. 2019 Dec; 15(8): 519-31. PMID: 31381365, PMCID: PMC6862953, DOI: 10.1089/chi.2019.0064, ISSN: 2153-2176.
Heerman WJ, Sommer EC, Slaughter JC, Samuels LR, Martin NC, Barkin SL. Predicting Early Emergence of Childhood Obesity in Underserved Preschoolers. J Pediatr [print-electronic]. 2019 Oct; 213: 115-20. PMID: 31353040, PMCID: PMC6765410, PII: S0022-3476(19)30794-2, DOI: 10.1016/j.jpeds.2019.06.031, ISSN: 1097-6833.
Wilson JE, Boehm L, Samuels LR, Unger D, Leonard M, Roumie C, Ely EW, Dittus RS, Misra S, Han JH. Use of the brief Confusion Assessment Method in a veteran palliative care population: A pilot validation study. Palliat Support Care. 2019 Oct; 17(5): 569-73. PMID: 30887938, PMCID: PMC6752980, PII: S1478951518001050, DOI: 10.1017/S1478951518001050, ISSN: 1478-9523.
Liberman JS, Samuels LR, Goggins K, Kripalani S, Roumie CL, . Opioid Prescriptions at Hospital Discharge Are Associated With More Postdischarge Healthcare Utilization. J Am Heart Assoc. 2019 Feb 2/5/2019; 8(3): e010664. PMID: 30689500, PMCID: PMC6405584, DOI: 10.1161/JAHA.118.010664, ISSN: 2047-9980.
Trumbo SP, Iams WT, Limper HM, Goggins K, Gibson J, Oliver L, Leverenz DL, Samuels LR, Brady DW, Kripalani S. Deimplementation of Routine Chest X-rays in Adult Intensive Care Units. J Hosp Med. 2019 Feb; 14(2): 83-9. PMID: 30785415, PMCID: PMC8102033, DOI: 10.12788/jhm.3129, ISSN: 1553-5606.
Samuels LR, Greevy RA. Bagged one-to-one matching for efficient and robust treatment effect estimation. Stat Med [print-electronic]. 2018 Dec 12/20/2018; 37(29): 4353-73. PMID: 30101483, DOI: 10.1002/sim.7926, ISSN: 1097-0258.
Heerman WJ, Burgess LE, Escarfuller J, Teeters L, Slesur L, Liu J, Qi A, Samuels LR, Singer-Gabella M. Competency Based Approach to Community Health (COACH): The methods of a family-centered, community-based, individually adaptive obesity randomized trial for pre-school child-parent pairs. Contemp Clin Trials [print-electronic]. 2018 Oct; 73: 1-7. PMID: 30144630, PMCID: PMC6310120, PII: S1551-7144(18)30360-4, DOI: 10.1016/j.cct.2018.08.006, ISSN: 1559-2030.
Apple R, Samuels LR, Fonnesbeck C, Schlundt D, Mulvaney S, Hargreaves M, Crenshaw D, Wallston KA, Heerman WJ. Body mass index and health-related quality of life. Obes Sci Pract. 2018 Oct; 4(5): 417-26. PMID: 30338112, PMCID: PMC6180707, PII: OSP4292, DOI: 10.1002/osp4.292, ISSN: 2055-2238.
Osborn KE, Liu D, Samuels LR, Moore EE, Cambronero FE, Acosta LMY, Bell SP, Babicz MA, Gordon EA, Pechman KR, Davis LT, Gifford KA, Hohman TJ, Blennow K, Zetterberg H, Jefferson AL. Cerebrospinal fluid ß-amyloid42 and neurofilament light relate to white matter hyperintensities. Neurobiol Aging [print-electronic]. 2018 Aug; 68: 18-25. PMID: 29702372, PMCID: PMC6085839, PII: S0197-4580(18)30117-9, DOI: 10.1016/j.neurobiolaging.2018.03.028, ISSN: 1558-1497.
Heerman WJ, JaKa MM, Berge JM, Trapl ES, Sommer EC, Samuels LR, Jackson N, Haapala JL, Kunin-Batson AS, Olson-Bullis BA, Hardin HK, Sherwood NE, Barkin SL. The dose of behavioral interventions to prevent and treat childhood obesity: a systematic review and meta-regression. Int J Behav Nutr Phys Act. 2017 Nov 11/15/2017; 14(1): 157. PMID: 29141651, PMCID: PMC5688650, PII: 10.1186/s12966-017-0615-7, DOI: 10.1186/s12966-017-0615-7, ISSN: 1479-5868.
Bell SP, Liu D, Samuels LR, Shah AS, Gifford KA, Hohman TJ, Jefferson AL. Late-Life Body Mass Index, Rapid Weight Loss, Apolipoprotein E e4 and the Risk of Cognitive Decline and Incident Dementia. J Nutr Health Aging. 2017; 21(10): 1259-67. PMID: 29188888, PMCID: PMC5736008, DOI: 10.1007/s12603-017-0906-3, ISSN: 1760-4788.
Hohman TJ, Samuels LR, Liu D, Gifford KA, Mukherjee S, Benson EM, Abel T, Ruberg FL, Jefferson AL, . Stroke risk interacts with Alzheimer's disease biomarkers on brain aging outcomes. Neurobiol. Aging [print-electronic]. 2015 Sep; 36(9): 2501-8. PMID: 26119224, PMCID: PMC4523400, PII: S0197-4580(15)00305-X, DOI: 10.1016/j.neurobiolaging.2015.05.021, ISSN: 1558-1497.
Gifford KA, Phillips JS, Samuels LR, Lane EM, Bell SP, Liu D, Hohman TJ, Romano RR, Fritzsche LR, Lu Z, Jefferson AL, . Associations between Verbal Learning Slope and Neuroimaging Markers across the Cognitive Aging Spectrum. J Int Neuropsychol Soc. 2015 Jul; 21(6): 455-67. PMID: 26219209, PMCID: PMC4657447, PII: S1355617715000430, DOI: 10.1017/S1355617715000430, ISSN: 1469-7661.
Gifford KA, Liu D, Damon SM, Chapman WG, Romano Iii RR, Samuels LR, Lu Z, Jefferson AL, . Subjective memory complaint only relates to verbal episodic memory performance in mild cognitive impairment. J. Alzheimers Dis. 2015; 44(1): 309-18. PMID: 25281602, PMCID: PMC4351870, PII: NK15Q1Q4J780458U, DOI: 10.3233/JAD-140636, ISSN: 1875-8908.