Boo, Yebeen Ysabelle http://orcid.org/0000-0003-2557-0678
Jutila, Otto-Emil http://orcid.org/0000-0002-5681-958X
Cupp, Meghan A. http://orcid.org/0000-0002-9900-2799
Manikam, Logan http://orcid.org/0000-0001-5288-3325
Cho, Sung-Il http://orcid.org/0000-0003-4085-1494
Article History
Received: 24 July 2020
Accepted: 25 December 2020
First Online: 4 February 2021
Compliance with ethical standards
:
: The authors have no conflicts of interest to declare that are relevant to the content of this article.
: The survey of Korean Longitudinal Study of Aging (KLoSA) was approved by Institutional Review Board of the Korea Centers for Disease Control and Prevention. In addition, as KloSA database is released to the public for scientific use, ethical approval was not needed for this study.
: The study was designed in conformity with the Declaration of Helsinki.
: All participants gave their informed written consent.