About the Authors

Hyun Woong Roh

Affiliations Department of Psychiatry, Ajou University School of Medicine, Suwon, Republic of Korea, Institute on Aging, Ajou University Medical Center, Suwon, Republic of Korea

Chang Hyung Hong

Affiliations Department of Psychiatry, Ajou University School of Medicine, Suwon, Republic of Korea, Institute on Aging, Ajou University Medical Center, Suwon, Republic of Korea

Yunhwan Lee

Affiliations Institute on Aging, Ajou University Medical Center, Suwon, Republic of Korea, Department of Preventive Medicine and Public Health, Ajou University School of Medicine, Suwon, Republic of Korea

Byoung Hoon Oh

Affiliation Department of Psychiatry and Institute of Behavioral Science in Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea

Kang Soo Lee

Affiliation Department of Psychiatry, CHA University School of Medicine, CHA Hospital, Gangnam, Republic of Korea

Ki Jung Chang

Affiliations Department of Psychiatry, Ajou University School of Medicine, Suwon, Republic of Korea, Institute on Aging, Ajou University Medical Center, Suwon, Republic of Korea

Dae Ryong Kang

Affiliation Department of Medical Humanities & Social Medicine, Office of Biostatistics, Ajou University School of Medicine, Suwon, Republic of Korea

Jinhee Kim

Affiliations Institute on Aging, Ajou University Medical Center, Suwon, Republic of Korea, Department of Preventive Medicine and Public Health, Ajou University School of Medicine, Suwon, Republic of Korea

SooJin Lee

Affiliation Department of Medicare Administration, Backseok Arts University, Seoul, Republic Korea

Joung Hwan Back

Affiliation National Health Insurance Service, Seoul, Republic of Korea

Young Ki Chung

Affiliation Department of Psychiatry, Ajou University School of Medicine, Suwon, Republic of Korea

Ki Young Lim

Affiliation Department of Psychiatry, Ajou University School of Medicine, Suwon, Republic of Korea

Jai Sung Noh

Affiliation Department of Psychiatry, Ajou University School of Medicine, Suwon, Republic of Korea

Dongsoo Kim

Affiliation Department of Psychiatry, Ajou University School of Medicine, Suwon, Republic of Korea

Sang Joon Son

sjsonpsy@ajou.ac.kr

Affiliations Department of Psychiatry, Ajou University School of Medicine, Suwon, Republic of Korea, Institute on Aging, Ajou University Medical Center, Suwon, Republic of Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HWR CHH YL KSL KJC DK SJS. Performed the experiments: HWR CHH YL KSL KJC DK SJS. Analyzed the data: HWR CHH YL DRK JK SL JHB YKC KYL JSN SJS. Contributed reagents/materials/analysis tools: HWR CHH YL DRK. Wrote the paper: HWR BHO SJS.