1. Esophageal Development and Engineering Laboratory, Sainte-Justine Research Centre, Montreal, Quebec, Canada.
2. Division of Digestive and Liver Diseases, Department of Medicine, Center for Human Development, Columbia University, New York, New York, USA.
3. Esophageal Atresia Clinic and Division of Pediatric Gastroenterology Hepatology and Nutrition, CHU Sainte Justine, Université de Montréal, Montréal, Quebec, Canada.