1. The Committee on Diagnostic Criteria of the Japanese Study Group on Pancreaticobiliary Maljunction; The Com The Com
2. Department of Pediatric Surgery; Shizuoka Children's Hospital; Shizuoka Japan
3. Department of Pediatric Surgery; Kansai Medical University Hirakata Hospital; Hirakata Japan
4. Department of Internal Medicine; Tokyo Metropolitan Komagome Hospital; Tokyo Japan
5. First Department of Surgery; Yamanashi University Hospital; Kofu Japan
6. Department of Pediatric Surgery; Nihon University Itabashi Hospital; Tokyo Japan
7. Department of Pediatric Surgery; Osaka City University Hospital; Osaka Japan
8. Department of Pediatric Surgery; Chiba University Hospital; Chiba Japan
9. Department of Gastroenterology and Hepatology; Tokyo Medical University; Tokyo Japan
10. Division of Pediatric Surgery; Department of Surgery; Aichi Medical University Hospital; Aichi Japan
11. Department of Pediatric Surgery; Kobe Children's Hospital; Kobe Japan
12. Aichi Prefectural Colony; Aichi Japan