1 Sanghoon Han, Department of Internal Medicine, Jeju National University College of Medicine, Jeju National University Hospital, Jeju, Republic of Korea.
2 Jieun Yang, Department of Internal Medicine, Jeju National University College of Medicine, Jeju National University Hospital, Jeju, Republic of Korea.
3 Ji Eun Park, Department of Internal Medicine, Jeju National University College of Medicine, Jeju National University Hospital, Jeju, Republic of Korea.
4 Jung Ho Kim Department of Internal Medicine, Gachon University Gil Medical Center, Gachon University College of Medicine, Gachon University.