1. Kitasato Institute for Life Science & Graduate School of Infection Control Science, Kitasato University
2. Department of Pediatrics, Ebina General Hospital
3. Department of Pediatrics, National Hospital Organization Tokyo Medical Center
4. Department of Pediatrics, St. Marianna University School of Medicine Yokohama City Seibu Hospital
5. Department of Pediatrics, Fuji Heavy Industries LTD. Health Insurance Society Genaral Ota Hospital