1. Department of Nursing, College of Medicine, National Cheng Kung University and Hospital, Tainan, Taiwan
2. Center of Infection Control, National Cheng Kung University Hospital, Tainan, Taiwan
3. Department of Psychiatry, Faculty of Medicine, College of Medicine, Kaohsiung Medical University and Hospital, Kaohsiung, Taiwan
4. Department of Medicine, College of Medicine, National Cheng Kung University and Hospital, Tainan, Taiwan
5. Department of Internal Medicine, Section of Infectious Diseases, Department of Medicine, E‐Da Hospital and I‐Shou University, Kaohsiung County, Taiwan
6. Department of Psychiatry, Chang‐Gung Memorial Hospital, Kaohsiung Medical Center, Kaohsiung County, Taiwan
7. School of Medicine, Chang‐Gung University, Taoyuan, Taiwan