Rectal Fistula

• H.Claude Hudson Comprehensive Health Center — Los Angeles, California, United States
• Los Angeles County-USC Medical Center — Los Angeles, California, United States
• USC Norris Cancer Center — Los Angeles, California, United States
• USC/University Hospital — Los Angeles, California, United States

• Aalborg Hospital — Aalborg, Denmark
• Aarhus University Hospital — Aarhus C, Denmark
• Casa di Cura PIO X — Milan, Italy
• AO S.Maria degli Angeli, S.S.D. Degenze Brevi 1^ 2^ Chirurgia Ginecologia e Urologia — Pordenone, Italy

Not specified

• King Khalid University Hospital — Riyadh, Saudi Arabia

• University of California Irvine — Orange, California, United States
• Rush University Medical Center — Chicago, Illinois, United States
• Indiana University Hospitals — Indianapolis, Indiana, United States
• Kendrick Regional Center — Indianapolis, Indiana, United States

• Justus-Liebig-Universitat Giessen — Giessen, Germany
• Krankenhaus Waldfriede — Berlin, Germany
• End-und Dickdarmzentrum Hannover — Hanover, Germany
• Enddarmzentrum Mannheim — Mannheim, Germany

• Government Ayurved Hospital — Nagpur, Maharashtra, India

• Anand Surgical Hospital — Amravati, Maharashtra, India

• University of Basel & Kantonsspital St.Gallen — Basel & St.Gallen, Switzerland

• Mansoura University Hospital — Al Mansurah, Egypt