Mayo Clinic, Rochester, Minnesota, United States
Cedar Sinai Medical Center, Los Angeles, California, United States
Advocate Christ Medical Center, Oak Lawn, Illinois, United States
Junendo University School of Medicine, Tokyo, Japan
Belinson medical center, Petach Tikva, Israel
Rambam Health Care center, Haifa, Israel
Bikur Holim medical center, Jerusalem, Israel
Annie Choi, Bedford, Massachusetts, United States
Alabama Digestive Disorders Center, Huntsville, Alabama, United States
Division of Gastroenterology Indiana University Medical Center, Indianapolis, Indiana, United States
Research Associates of New York, New York, New York, United States
Weill Cornell Medical Center, New York, New York, United States
Tulane University Hospital, New Orleans, Louisiana, United States
Avista Adventist Hospital, Louisville, Colorado, United States
Alabama Digestive Disorders Center, P. C., Huntsville, Alabama, United States
RANY -Research Associates of New York (NY Gastroenterology Associates), New York, New York, United States
Alabama Liver and Digestive Specialists, Montgomery, Alabama, United States
Indiana University Medical Center, Indianapolis, Indiana, United States
Digestive Care, Inc., Beavercreek, Ohio, United States
Gastroenterology Associates of Tidewater, Chesapeake, Virginia, United States