1. Division of Microbiology, Department of Pathology and Microbiology, Nihon University School of Medicine
2. Department of Developmental Medical Sciences, School of International Health, Graduate School of Medicine, The University of Tokyo
3. Nishimura Clinic
4. Department of Microbiology, Faculty of Medicine, Chiang Mai University
5. Department of Pediatrics, Faculty of Medicine, Chiang Mai University
6. Pediatric Hematology Unit, Nakornping Hospital