1. Department of Internal Medicine, Catholic Kwandong University College of MedicineInternational St. Mary's Hospital Incheon Republic of Korea
2. Department of Family Medicine, College of MedicineDong‐A University Busan Republic of Korea
3. Department MedicineCatholic Kwandong University Gangneung Republic of Korea
4. Catholic Kwandong UniversityInternational St. Mary's Hospital Incheon Republic of Korea