1. Departments of Anatomy, Pediatrics and Environmental MedicineQuanzhou Medical College Quanzhou, Fujian China
2. Department of Otolaryngology Head and Neck Surgery and Department of Allergy, Beijing TongRen HospitalAffiliated with the Capital University of Medical Science Beijing China
3. Department of Microbiology, Faculty of MedicineOita University Oita Japan
4. Second Department of Biochemistry, Interdisciplinary Graduate School of Medicine and EngineeringUniversity of Yamanashi Yamanashi Japan