1. Hospital of the Institute of Medical Science of the University of Tokyo (IMSUT) TokyoJapan
2. Nara Medical University KashiharaJapan
3. Shizuoka Children's Hospital ShizuokaJapan
4. Tokyo Medical and Dental University TokyoJapan
5. Tokyo Medical University TokyoJapan
6. Novo Nordisk Pharma Ltd. TokyoJapan
7. Nagoya University School of Medicine Nagoya Japan