1. Department of Gastroenterology and Hepatology, E-DA hospital, Kaohsiung, Taiwan.
2. Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan.
3. Kaohsiung Chang Gung Head and Neck Oncology Group, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan.
4. Department of Pathology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan.
5. Department of Microbiology, Soochow University, Taipei, Taiwan.
6. Center for Translational Research in Biomedical Sciences, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan.
7. Department of Otolaryngology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan.
8. Department of Medical Research and Development, Show Chwan Memorial Hospital and Chang Bing Show Chwan Memorial Hospital, Changhua, Taiwan.