[1] Seoul Natl Univ, Dept Internal Med, Bundang Hosp, Seongnam, South Korea
[2] Seoul Natl Univ, Dept Internal Med, Coll Med, Seoul, South Korea
[3] Seoul Natl Univ, Dept Rehabil Med, Bundang Hosp, Seongnam, South Korea
[4] Seoul Natl Univ, Dept Rehabil Med, Coll Med, Seoul, South Korea
[5] Seoul Natl Univ, Inst Aging, Seoul, South Korea
[6] Seoul Natl Univ, Off eHlth Res & Businesses, Bundang Hosp, Seongnam, South Korea
[7] Seoul Natl Univ, Grad Sch Publ Hlth, Dept Publ Hlth Sci, Seoul, South Korea
[8] Seoul Natl Univ, Inst Hlth & Environm, Seoul, South Korea
[9] ezCaretech Co Ltd, Healthcare Convergence R&D Ctr, Seoul, South Korea
[10] Healthconnect Co Ltd, Healthcare Convergence R&D Ctr, Seoul, South Korea
[11] Adelie Co Ltd, Seoul, South Korea
[12] Yonsei Univ, Grad Sch Informat, Seoul, South Korea
[13] Yonsei Univ, Ctr Work Sci, Seoul, South Korea
[14] Korea Natl Open Univ, Dept Environm Hlth, Seoul, South Korea
[15] Kyung Hee Univ, Dept Prevent Med, Sch Med, Seoul, South Korea