1. Department of Nursing, Tainan Municipal Hospital (Managed by Show Chwan Medical Care Corporation), Tainan, Taiwan (R.O.C.).
2. Department of Nursing, Chang Bing Show-Chwan Memorial Hospital, Changhua, Taiwan (R.O.C.).
3. Department of Obstetrics and Gynecology, China Medical University, An Nan Hospital, Tainan, Taiwan (R.O.C.).
4. Department of Public Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan (R.O.C.).
5. Department of Hepatogastroenterology and Tainan Municipal Hospital (Managed By Show Chwan Medical Care Corporation), Tainan, Taiwan (R.O.C.).
6. Department of Medical Research, Tainan Municipal Hospital (Managed By Show Chwan Medical Care Corporation), Tainan, Taiwan (R.O.C.).