Affiliation: | 1. International Health Care Center, Severance Hospital, Yonsei University Health System, Seoul, Korea;2. Biostatistics Collaboration Unit, Yonsei University College of Medicine, Gangnam-gu, Seoul, Korea;3. Department of Clinical Nursing, Biobehavioral Research Center, Mo-Im Kim Nursing Research Institute, Yonsei University, Seoul, Korea;4. Department of Family Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea |