Fachklinik Bad Bentheim, Bad Bentheim, Germany
University Hospital Dresden, Dresden, Germany
Hopital Charles Nicolle, Rouen, France
Fundacao para o Desenvolvimento Medico Hospitalar (UNESP Botucatu), Botucatu, Brazil
Fundaleu, Buenos Aires, Argentina
Instituto de Oncologia Angel H. Roffo, Buenos Aires, Argentina
Virginia Mason Medical Center, Seattle, Washington, United States
CHRU Montpellier - Hopital Saint-Eloi, Montpellier, France
Hamburgisches Forschungsinstitut fuer CED, HaFCED e.K., Hamburg, Germany
Universitetssjukhuset Örebro, Örebro, Sweden
Hosp. Univ. de Gran Canaria Dr. Negrin, Las Palmas de Gran Canaria, Spain
Centro de Salud Mental Toscar, Elche, Spain
Hosp. Univ. Fund. Jimenez Diaz, Madrid, Spain
AMC, Amsterdam, Netherlands
Centro Hospitalar de Tondela Viseu, EPE, Viseu, Portugal
Gastroenterology Center ASSIDUO, Bratislava, Slovakia