1. Division of Gastroenterology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China.
2. Department of Pathology, Cardinal Tien Hospital, Medical School, Catholic Fu Jen University, Xindian, Taiwan, Republic of China.
3. Division of Nephrology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China.
4. Division of Endocrinology and Metabolism, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan, Republic of China.
5. Division of Endocrinology and Metabolism, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan, Republic of China.
6. Division of Endocrinology and Metabolism, Department of Internal Medicine, National Defense Medical Center, Tri-Service General Hospital, Taipei, Taiwan, Republic of China.
7. Division of Endocrinology and Metabolism, Department of Internal Medicine, Cardinal Tien Hospital, Medical School, Catholic Fu Jen University, Xindian, Taiwan, Republic of China.