1) Department of Pediatric Surgery, Kagoshima University, Kagoshima, Japan
2) Department of Pediatric Surgery, Kyushu University, Fukuoka, Japan
3) Department of Pediatric Surgery, Tsukuba University, Tsukuba, Japan
4) Clinical Training Center, Kagoshima University Hospital, Kagoshima, Japan
5) Department of Advanced Medicine and Innovative Technology, Kyushu University, Fukuoka, Japan

Satoshi Ieiri¹⁾, Shun Onishi¹⁾, Koji Yamada¹⁾, Satoshi Obata²⁾, Takahiro Jimbo³⁾, Ryota Souzaki²⁾, Keisuke Yano¹⁾, Masakazu Murakami¹⁾, Tokuro Baba¹⁾, Waka Yamada¹⁾⁴⁾, Ryuta Masuya¹⁾, Takafumi Kawano¹⁾, Seiro Machigashira¹⁾, Kazuhiko Nakame¹⁾, Motoi Mukai¹⁾, Tatsuru Kaji¹⁾, Makoto Hashiszume⁵⁾, Tomoaki Taguchi²⁾