[1] Tan Tock Seng Hosp, Inst Geriatr & Act Aging, Singapore, Singapore
[2] Kaohsiung Vet Gen Hosp, Ctr Geriatr & Gerontol, Kaohsiung, Taiwan
[3] Mahidol Univ, Siriraj Hosp, Fac Med, Div Geriatr Med,Dept Prevent & Social Med, Bangkok, Thailand
[4] Chinese Univ Hong Kong, Jockey Club Inst Ageing, Hong Kong, Peoples R China
[5] Peking Union Med Coll Hosp, Dept Geriatr, Beijing, Peoples R China
[6] Natl Yang Ming Univ, Aging & Hlth Res Ctr, Taipei, Taiwan
[7] Taipei Vet Gen Hosp, Yuanshan Branch, Dept Family Med, Yilan, Taiwan
[8] Seoul Natl Univ, Bundang Hosp, Coll Med, Dept Rehabil Med, Seongnam, South Korea
[9] Osaka Univ, Grad Sch Med, Dept Geriatr & Gen Med, Osaka, Japan
[10] Univ Tokyo, Grad Sch Med, Dept Geriatr Med, Tokyo, Japan
[11] Minist Hlth & Welf, Hlth Promot Adm, Taipei, Taiwan
[12] Tan Tock Seng Hosp, Dept Geriatr Med, Singapore, Singapore
[13] Univ Tokyo, Inst Gerontol, Tokyo, Japan
[14] Seoul Natl Univ, Bundang Hosp, Coll Med, Dept Internal Med, Seongnam, South Korea
[15] Natl Ctr Geriatr & Gerontol, 7-430 Morioka Cho, Obu, Aichi 4740038, Japan
[16] Kyung Hee Univ, East West Med Res Inst, Coll Med, Dept Biomed Sci & Technol, Seoul, South Korea
[17] Nagoya Univ, Grad Sch Med, Dept Community Healthcare & Geriatr, Nagoya, Aichi, Japan
[18] Seoul Natl Univ, Boramae Med Ctr, Dept Rehabil Med, Seoul, South Korea
[19] Ajou Univ, Sch Med, Dept Prevent Med & Publ Hlth, Suwon, South Korea
[20] Taipei Vet Gen Hosp, Ctr Geriatr & Gerontol, 201,Sec 2,Shih Pai Rd, Taipei 11217, Taiwan
[21] Pinetree Care Grp, Beijing, Peoples R China
[22] Kyung Hee Univ, Coll Med, Dept Family Med, Seoul, South Korea
[23] Chinese Univ Hong Kong, Dept Med & Therapeut, Fac Med, Hong Kong, Peoples R China