Affiliation: | 1. Department of Molecular Genetics, University of Toronto, Ontario M5S 1A8, Canada;2. Helmholtz Zentrum München, Institute of Diabetes and Regeneration Research, 85764 Neuherberg, Germany;3. Institute of Biomaterials and Biomedical Engineering", University of Toronto, Ontario M5S 3E1, Canada;4. Department of Surgery, Division of Anatomy, University of Toronto, Ontario M5S 1A8, Canada;5. Division of Pediatric Gastroenterology, Stanford University School of Medicine, Palo Alto, CA 94304, USA;6. Department of Pediatrics, Stanford University School of Medicine, Stanford, CA 94305-5208, USA |