1. Division of Gastroenterology and Hepatology Department of Medicine University of North Carolina Chapel Hill NCUSA
2. Division of Pediatric Gastroenterology Department of Pediatrics University of North Carolina Chapel Hill NC USA
3. Department of Psychiatry and Behavioral Sciences Division of Behavioral Medicine Duke University Medical Center Durham NC USA
4. University of North CarolinaHealth Sciences Library Chapel Hill NCUSA
5. Digestive Diseases Department of Medicine Yale School of Medicine New Haven CT USA
6. PSC Partners Seeking a Cure Greenwood Village CO USA