1. Department of Oncology, Tainan Hospital, Tainan 70043, Taiwan
2. Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, Tainan 70043, Taiwan
3. Department of Nursing, National Tainan Junior College of Nursing, Tainan 70043, Taiwan
4. Department of Food Safety/Hygiene and Risk Management, College of Medicine, National Cheng Kung University, Tainan 701, Taiwan
5. Department of Environmental and Occupational Health, College of Medicine, National Cheng Kung University, Tainan 701, Taiwan
6. Bioresource Collection and Research Center (BCRC), Food Industry Research and Development Institute, Hsinchu 300, Taiwan