1. Department of Internal Medicine and Center for Critical Care Medicine; National Taiwan University Hospital Hsin-Chu Branch; Hsin-Chu
2. Department of Internal Medicine, College of Medicine; National Taiwan University; Taipei
3. Institute of Epidemiology and Preventive Medicine, College of Public Health; National Taiwan University; Taipei
4. Institute of Health Policy and Management, College of Public Health; National Taiwan University; Taipei
5. Center for Comparative Effectiveness Research, National Center of Excellence for Clinical Trial and Research; National Taiwan University Hospital; Taipei
6. Department of Internal Medicine; National Taiwan University Hospital; Taipei
7. Department of Medical Research; National Taiwan University Hospital; Taipei
8. Graduate Institute of Oncology, College of Medicine; National Taiwan University; Taipei Taiwan