Johnson County Clin-Trials, Lenexa, Kansas, United States
University of Rochester, Rochester, New York, United States
Simon Williamson Clinic, Birmingham, Alabama, United States
Hopital de Brabois, Vandoeuvre les Nancy, France
Hopital l'Archet II, Nice Cedex 3, France
Academic Medical Center, Amsterdam, Netherlands
AZ Groeninge - Kennedylaan, Kortrijk, Belgium
L & L Research Choices, Inc., Miami, Florida, United States
Hospital Sao Vicente de Paulo, Passo Fundo, Rio Grande Do Sul, Brazil
SMIQ S. de R.L. de C.V., Queretaro, Mexico
Children's Center for Digestive Health Care, LLC, Atlanta, Georgia, United States
University Hospitals Cleveland Medical Center, Cleveland, Ohio, United States
Children's Center for Digestive Health Care, LLC, Atlanta, Georgia, United States
D&H National Research Centers, Miami, Florida, United States
Gastrointestinal Associates, PA, Flowood, Mississippi, United States