Sheepcot Medical Centre, Watford, United Kingdom
University Hospitals Bristol NHS Foundation Trust- Location Bristol Royal Infirmary, Bristol, United Kingdom
Kings Medical Centre, Buckhurst Hill, United Kingdom
Spaulding Clinical Research, LLC, West Bend, Wisconsin, United States
MC Health BG EOOD, Sofia, Bulgaria
MC "New rehabilitation centre'' EOOD, Stara Zagora, Bulgaria
"Multiprofile Regional Hospital for Active Treatment - Dr. St. Cherkezov" AD Department of Gastroenterology, Veliko Tarnovo, Bulgaria
Semmelweis Egyetem I. sz. Belgyógyászati Klinika, Budapest, Hungary
Macabi outpatient clinic, Rehovot, Israel
Macabi HMO outpatient clinic, Tel Aviv, Israel
Asaf Harofe Hospital, Zrifin, Israel
Proctology Clinic, Asaf Harofe Medical Center, Zrifin, Israel
Gastroeneterology dept, Asaf harofe Medical center, Zrifin, Israel
Gastroeneterology dept, Asaf harofe Medical center, Zrifin, Israel
Sapir Medical Center, Kfar Saba, Israel
Macabi HMO, Tel Aviv, Israel
Dept of Gastroeneterology, Asaf Harofe Medical Center, Zrifin, Israel