1. Division of Infectious Diseases, Department of Internal Medicine, E-Da Hospital, I-Shou University, Kaohsiung, Taiwan
2. Department of Critical Care Medicine, E-Da Hospital, I-Shou University, Kaohsiung, Taiwan
3. School of Medicine, College of Medicine, I-Shou University, Kaohsiung, Taiwan
4. Department of Biological Science and Technology, Meiho University, Pingtung, Taiwan