Chen-Wang Chang
1Department of Internal Medicine, Division of Gastroenterology, Nursing and Management, MacKay Junior College of Medicine, Taiwan
2Department of Internal Medicine, Division of Gastroenterology, Nursing and Management, MacKay Junior College of Medicine, Taiwan
3Department of Internal Medicine, Division of Gastroenterology, Nursing and Management, MacKay Junior College of Medicine, Taiwan
4Department of Internal Medicine, Division of Gastroenterology, Nursing and Management, MacKay Junior College of Medicine, Mackay Medical College, Taiwan