1 Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia.
2 Department of Medicine, Meyerhoff Inflammatory Bowel Disease Center and Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland.
3 Department of Genetics, Genomics and Informatics, University of Tennessee Health Science Center, Memphis, Tennessee.
4 F. Widjaja Foundation Inflammatory Bowel and Immunobiology Research Institute, Cedars-Sinai Medical Center, Los Angeles, California.
5 Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland.
6 Department of Pediatrics and Department of Human Genetics, Emory University School of Medicine, Atlanta, Georgia.