Published on in Vol 6, No 1 (2018): January
1 Department of Family Medicine, Seoul Metropolitan Government - Seoul National University Boramae Medical Center, Seoul National University College of Medicine, Seoul, Republic of Korea
2 SK International Medical Center, Fenghuang Hospital, Wuxi, China
3 Future IT R&D Laboratory, LG Electronics, Seoul, Republic of Korea
4 Department of Family Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea
5 Department of Family Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
*these authors contributed equally