1. Department of Nursing, Meiho University, Pingtung, Taiwan
2. Institute of Allied Health Sciences, National Cheng Kung University, Tainan, Taiwan
3. Department of Nursing, National Cheng Kung University, Tainan, Taiwan
4. Department of Nursing, National Cheng Kung University Hospital, Tainan, Taiwan
5. Center of Infection Control, National Cheng Kung University Hospital, Tainan, Taiwan
6. Department of Medicine, National Cheng Kung University Hospital, Tainan, Taiwan