[1] Inha Univ, Inha Univ Hosp, Dept Occupat & Environm Med, Incheon, South Korea
[2] Sungkyunkwan Univ, Kangbuk Samsung Hosp, Sch Med, Dept Family Med, Seoul, South Korea
[3] Seoul Natl Univ, Bundang Hosp, Dept Family Med, Seongnam, South Korea
[4] Seoul Natl Univ Hosp, Publ Healthcare Ctr, Seoul, South Korea
[5] Seoul Natl Univ Hosp, Dept Psychiat, Seoul, South Korea
[6] Seoul Natl Univ, Coll Med, Dept Family Med, Seoul, South Korea
[7] Hlth Insurance Review & Assessment Serv, HIRA Res Inst, Wonju, South Korea
[8] Seoul Natl Univ, Coll Med, Dept Hlth Policy & Management, Seoul, South Korea
[9] Seoul Natl Univ, Bundang Hosp, Dept Family Med, 82 Gumi-ro, 173 173 Beon-gil, Seongnam Si 13620, Gyeonggi Do, South Korea
[10] Seoul Natl Univ Hosp, Publ Healthcare Ctr, 101 Daehak ro, Seoul 03080, South Korea