Rectal Diseases

• Sepulveda Ambulatory Care Center, VA Greater Los Angeles Healthcare System — Los Angeles, California, United States
• S. Barbara Hospital — Iglesias, CA, Italy
• N. S. di Bonaria Hospital — San Gavino Monreale, VS, Italy

• Sepulveda Ambulatory Care Center, VA Greater Los Angeles Healthcare System — Los Angeles, California, United States
• S. Barbara Hospital — Iglesias, Cagliari, Italy
• N. S. di Bonaria Hospital — San Gavino Monreale, VS, Italy

• Roswell Park Cancer Institute — Buffalo, New York, United States

Not specified

• University of Minnesota — Minneapolis, Minnesota, United States
• Danube Hospital/SMZ-Ost — Vienna, Austria
• Aarhus University Hospital — Aarhus, Denmark
• Herlev Hospital — Copenhagen, Denmark

• Department of Internal and Complementary Medicine, Immanuel Hospital Berlin — Berlin, Germany
• Department for Internal and Integrative Medicine, Essen-Mitte Clinics — Essen, Germany

• Digestive Service, Huc — San Cristóbal de La Laguna, S/c de Tenerife, Spain
• Hospital Universitario de Canarias — San Cristóbal de La Laguna, S/c de Tenerife, Spain

• Hospital Universitario de Canarias — Santa Cruz de Tenerife, Spain

• Hospital BHB St. Veit/Glan, Surgery — Saint Veit A. D. Glan, Carinthia, Austria
• Hospital Wiener Neustadt — Wiener Neustadt, Lower Austria, Austria
• Paracelsus Medical University Salzburg - Oncology — Salzburg, State of Salzburg, Austria
• Medical University of Vienna, Radiotherapy — Vienna, State of Vienna, Austria

• Boston Medical Center — Boston, Massachusetts, United States
• South Boston Community Health Center — Boston, Massachusetts, United States