1. Department of Urology, Mackay Memorial Hospital, Taipei, Taiwan, Republic of China
2. Mackay Medicine, Management and Nursing College, Taipei Medical University, Taipei, Taiwan, Republic of China
3. Department of Urology, Changhua Christian Hospital, Changhua, Taiwan, Republic of China
4. Department of Pathology, Mackay Memorial Hospital, Taipei, Taiwan, Republic of China
5. Graduate Institute of Nursing, Taipei Medical University, Taipei, Taiwan, Republic of China
6. Department of Pharmacology, Taipei Medical University, Taipei, Taiwan, Republic of China
7. Department of Anesthesiology, Buddhist Tzu Chi General Hospital, Taipei Branch, Taipei, Taiwan, Republic of China
8. School of Medicine, Tzu Chi University, Hualien, Taiwan, Republic of China