1. Department of Laboratory Medicine, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
2. Department of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan
3. Department of Medical Biotechnology and Laboratory Science, Chang Gung University, Taoyuan, Taiwan
4. National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli County, Taiwan
5. School of Dentistry, China Medical University, Taichung, Taiwan
6. Division of Infectious Diseases, Department of Internal Medicine, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
7. Department of Microbiology, Immunology and Biopharmaceuticals, National Chiayi University, Chiayi City, Taiwan