1. The First Cardiovascular Division, Chang Gung Memorial Hospital (C-JC, L-SW, L-AH, C-FC, Y-SK), Chang Gung University, Tao-Yuan, Taiwan
2. Graduate Institute of Clinical Medical Sciences (G-JC), Chang Gung University, Tao-Yuan, Taiwan
3. Department of Internal Medicine, Mackay Memorial Hospital, Mackay Medical Collage, Taipei, Taiwan (H-IY)