1. Chaum Life Center, CHA University, Seoul 06062, Republic of Korea
2. Department of Family Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul 06273, Republic of Korea
3. Department of Family Medicine, CHA Bundang Medical Center, CHA University, Seongnam 13496, Republic of Korea
4. NKMAX Co., Ltd., Seongnam 13605, Republic of Korea