1. Department of Emergency Medicine; Kaohsiung Veterans General Hospital; Kaohsiung Taiwan
2. School of Medicine; Institute of Public Health; National Yang Ming University; Taipei Taiwan
3. Yuhing Junior College of Health Care and Management; Kaohsiung Taiwan
4. Department of Medical Research; Chung Shan Medical University; Taichung Taiwan
5. Department of Statistics; Oklahoma state University; Oklahoma USA
6. Division of Allergy, Immunology and Rheumatology; Chung Shan Medical University Hospital, and Institute of Medicine; Chung Shan Medical University; Taichung Taiwan
7. Division of Nephrology; Kaiser Permanente Baldwin Park Medical Center; Baldwin Park CA USA
8. School of Health Policy and Management; Chung Shan Medical University; Taichung Taiwan
9. Graduate Institute of Integrated Medicine; China Medical University; Taichung Taiwan