1. Division of Nephrology; Department of Medicine; Kaohsiung Veterans General Hospital, Kaohsiung; Taipei Taiwan
2. School of Medicine; National Yang-Ming University; Taipei Taiwan
3. Division of Nephrology; Department of Internal Medicine; Kaohsiung Armed Force General Hospital; Kaohsiung Taiwan
4. Department of Health-Business Administration; School of Nursing; Fooyin University; Kaohsiung Taiwan
5. Department of Surgery; Kaohsiung Veterans General Hospital; Kaohsiung Taiwan
6. Department of Emergency Medicine; Kaohsiung Veterans General Hospital; Kaohsiung Taiwan