1. Division of Gastroenterology Department of Medicine University of Pennsylvania Perelman School of Medicine Philadelphia PA USA
2. Division of Gastroenterology, Hepatology, and Nutrition Department of Pediatrics Children's Hospital of Philadelphia University of Pennsylvania Perelman School of Medicine Philadelphia PA USA
3. Department of Pathology & Laboratory Medicine Lewis Katz School of Medicine at Temple University Philadelphia PA USA
4. Fels Institute for Cancer Research & Molecular Biology Lewis Katz School of Medicine at Temple University Philadelphia PA USA
5. Centre for Genomic Regulation (CRG) The Barcelona Institute of Science and Technology Barcelona Spain
6. Universitat Pompeu Fabra (UPF) Barcelona Spain
7. Thomas Jefferson Medical College Thomas Jefferson University Philadelphia PA USA
8. Genomics and Computational Biology Graduate Group Perelman School of Medicine University of Pennsylvania Philadelphia PA USA
9. Department of Genetics Rutgers University New Brunswick NJ USA
10. Department of Anatomy and Cell Biology Faculty of Medicine and Health Sciences Universite de Sherbrooke Sherbrooke QC Canada
11. Department of Pathology and Laboratory Medicine Children's Hospital of Philadelphia Philadelphia PA USA
12. Human Genetics Institute of New Jersey Piscataway NJ USA
13. Institucio Catalana de Recerca i Estudis Avanc ats (ICREA) Barcelona Spain