1 Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan; Department of Hepatobiliary, Pancreatic, Transplantation and Pediatric Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
2 Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan.
3 Department of Pediatrics, Kitasato University School of Medicine, Kanagawa, Japan.
4 Department of Hepatobiliary, Pancreatic, Transplantation and Pediatric Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
5 Department of Pediatrics and Adolescent Medicine, Juntendo University, Tokyo, Japan.
6 Department of Pediatrics, Center for Perinatal Medicine, Nara Medical University, Nara, Japan.
7 Institute for Advanced Biosciences, Keio University, Yamagata, Japan.
8 Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan. Electronic address: osafu@cira.kyoto-u.ac.jp.