1. Division of Nephrology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, and School of Medicine, Tzu Chi University, Hualien, Taiwan
2. Division of Renal Medicine, Department of Internal Medicine, Tungs’ Taichung MetroHarbor Hospital, Taichung, Taiwan
3. Department of Internal Medicine, Taipei Medical University, Taipei, Taiwan
4. Department of Rehabilitation, Jenteh Junior College of Medicine, Nursing and Management, Miaoli, Taiwan