1. School of Pharmacy, College of Pharmacy; Taipei Medical University; Taipei Taiwan
2. Department of Anesthesiology; Taipei Medical University Hospital; Taipei Taiwan
3. Department of Anesthesiology, School of Medicine, College of Medicine; Taipei Medical University; Taipei Taiwan
4. Department of Bioengineering; University of California at San Diego; La Jolla California
5. Division of Epidemiology, Human Genetics and Environmental Sciences; University of Texas School of Public Health; Houston Texas
6. Division of General Surgery, Department of Surgery; Taipei Medical University Hospital; Taipei Taiwan
7. Department of Surgery, School of Medicine, College of Medicine; Taipei Medical University; Taipei Taiwan
8. Department of Physical Medicine and Rehabilitation; Taipei Medical University Hospital; Taipei Taiwan