Kwang-Il Kim, Hye-Kyung Jung, Chang Oh Kim, Soo-Kyung Kim, Hyun-Ho Cho, Dae Yul Kim, Yong-Chan Ha, Sung-Hee Hwang, Chang Won Won, Jae-Young Lim, Hyun Jung Kim, Jae Gyu Kim, The Korean Association of Internal Medicine , The Korean Geriatrics Society
Korean J Med. 2015;89(6):752-780. Published online December 1, 2015