1. Department of Medicine, National Taiwan University Hospital Jin-Shan branch, Wuhu Village, Jinshan Dist., New Taipei City, Taiwan;
2. Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan;
3. School of Health Care Administration, College of Management, Taipei Medical University, Taipei, Taiwan;
4. Medical Affairs, Abbott Nutrition, Taipei, Taiwan;
5. Department of Internal Medicine, National Taiwan University Hospital Hsin-Chu branch, Hsinchu City, Taiwan