1. Department of Orthopedic Surgery, Catholic Kwandong University College of Medicine, International St. Mary’s Hospital, Incheon 22711, Republic of Korea
2. Department of Family Medicine, Dong-A University College of Medicine, Dong-A University Medical Center, Busan 49236, Republic of Korea
3. Department Medicine, Catholic Kwandong University College of Medicine, Gangneung 25601, Republic of Korea