Presented by Hiroki Nakamura, MD, during the 2013 IPEG Annual Meeting. SECOND PROGRESS REPORT Hiroki Nakamura, MD, Hiroyuki Koga, MD, PhD, Go Miyano, MD, PhD, Manabu Okawada, MD, PhD, Abudebieke Halibieke, PhD, Geoffrey J Lane, MD, PhD, Tadaharu Okazaki,MD, PhD, Atsuyuki Yamataka, MD, PhD, Department of Pediatric Surgery Juntendo University School of Medicine