1. Departments of Family Medicine, Seoul National University Bundang Hospital , Seongnam , South Korea
2. Department of Family Medicine, Seoul National University, College of Medicine , Seoul , South Korea
3. Department of Statistics and Actuarial Science, Soongsil University , Seoul , South Korea
4. Department of Biostatistics, The Catholic University of Korea , Seoul , South Korea
5. Department of Dermatology, Seoul Metropolitan Boramae Hospital , Seoul , South Korea
6. Department of Dermatology, Seoul National University, College of Medicine , Seoul , South Korea
7. Department of Family Medicine & Supportive Care Center, Samsung Medical Center, Sungkyunkwan University School of Medicine , Seoul , South Korea
8. Department of Clinical Research Design and Evaluation/Department of Digital Health, Samsung Advanced Institute of Health Science and Technology (SAIHST), Sungkyunkwan University , Seoul , South Korea