Kim, Woo Jung http://orcid.org/0000-0002-4963-4819
Li, Junqing
Oh, In-Sun
Song, Inmyung
Lee, Eun
Namkoong, Kee
Shin, Ju-Young http://orcid.org/0000-0003-1010-7525
Funding for this research was provided by:
Haesong Geriatric Psychiatry Research Fund of the Korean Mental Health Foundation
Article History
First Online: 7 February 2020
Compliance with Ethical Standards
:
: This study was supported by a grant from the Haesong Geriatric Psychiatry Research Fund of the Korean Mental Health Foundation, Seoul, Republic of Korea. The funding agency was not involved in the study design, data collection and analysis, or manuscript preparation.
: Woo Jung Kim, Junqing Li, In-Sun Oh, Inmyung Song, Eun Lee, Kee Namkoong, and Ju-Young Shin have no conflicts of interest that are directly relevant to the content of this study.
: The claims database of the National Health Insurance Service used in the study can be accessed at ExternalRef removed.