| Medical Affiliated Research Center |
| Huntsville, Alabama, United States, 35801 |
| University of Alabama at Birmingham Comprehensive Cancer Center |
| Birmingham, Alabama, United States, 35294-3300 |
| Urological Associates of Southern Arizona, P.C. |
| Tucson, Arizona, United States, 85712 |
| Advanced Clinical Research Institute |
| Anaheim, California, United States, 92801 |
| California Professional Research |
| Newport Beach, California, United States, 92660 |
| Capitol Gastroenterology Consultants Medical Group Inc. |
| Carmichael, California, United States, 95608 |
| Gastroenterology Associates of the East Bay Medical Center |
| Berkeley, California, United States, 94705 |
| Institute for Health Care Assessment |
| San Diego, California, United States, 92120 |
| Saddleback Memorial Medical Center |
| Laguna Hills, California, United States, 92653 |
| Western Clinic Research, Inc. |
| Torrance, California, United States, 90505 |
| Gastroenterology Associates of Colorado Springs |
| Colorado Springs, Colorado, United States, 80907 |
| Gastroenterology Associates of Fairfield County |
| Bridgeport, Connecticut, United States, 06606 |
| Jupiter Research Association |
| Jupiter, Florida, United States, 33458 |
| Office of Howard Schwartz |
| Miami, Florida, United States, 33173 |
| Office of Ira W. Klimberg |
| Ocala, Florida, United States, 32674 |
| Southeastern Digestive and Liver Disease Institute |
| Savannah, Georgia, United States, 31404 |
| Office of Mark Lloyd |
| Meridian, Idaho, United States, 83642 |
| University of Illinois at Chicago |
| Chicago, Illinois, United States, 60612 |
| Glenbrook Hospital |
| Glenview, Illinois, United States, 60025 |
| North Shore Endoscopy Center |
| Lake Bluff, Illinois, United States, 60044 |
| Northwest Gastroenterologists |
| Arlington Heights, Illinois, United States, 60005 |
| University of Chicago Cancer Research Center |
| Chicago, Illinois, United States, 60637-1470 |
| Deerpath Medical Associates |
| Lake Forest, Illinois, United States, 60045 |
| Veterans Affairs Medical Center - Hines (Hines Junior VA Hospital) |
| Hines, Illinois, United States, 60141 |
| Sun Flower Medical Center |
| Shawnee Mission, Kansas, United States, 66204 |
| Health Trends Research, LLC |
| Baltimore, Maryland, United States, 21208 |
| Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins |
| Baltimore, Maryland, United States, 21231-2410 |
| Brigham and Women's Hospital |
| Boston, Massachusetts, United States, 02115 |
| Massachusetts General Hospital Cancer Center |
| Boston, Massachusetts, United States, 02114 |
| Mayo Clinic Cancer Center |
| Rochester, Minnesota, United States, 55905 |
| University of Minnesota Cancer Center |
| Minneapolis, Minnesota, United States, 55455 |
| Mississippi Center for Clinical Research |
| Jackson, Mississippi, United States, 39216 |
| New Jersey Physicians, LLC |
| Passaic, New Jersey, United States, 07055 |
| Herbert Irving Comprehensive Cancer Center |
| New York, New York, United States, 10032 |
| Long Island GI Research Group |
| Great Neck, New York, United States, 11023 |
| Memorial Sloan-Kettering Cancer Center |
| New York, New York, United States, 10021 |
| Strang Cancer Prevention Center |
| New York, New York, United States, 10021 |
| Weill Medical College of Cornell University |
| New York, New York, United States, 10021 |
| Asheville Gastroenterology Associates |
| Asheville, North Carolina, United States, 28801 |
| C.A.R.E. Center |
| Raleigh, North Carolina, United States, 27609 |
| Carolinas Medical Center |
| Charlotte, North Carolina, United States, 28232-2861 |
| Charlotte Gastroenterology and Hepatology |
| Charlotte, North Carolina, United States, 28207 |
| Comprehensive Cancer Center at Wake Forest University |
| Winston-Salem, North Carolina, United States, 27157-1082 |
| Moses Cone Health System |
| Greensboro, North Carolina, United States, 27401-1020 |
| Wake Research Associates, Incorporated |
| Raleigh, North Carolina, United States, 27612 |
| Gastroenterology Associates of Cleveland, Inc. |
| Mayfield Heights, Ohio, United States, 44140 |
| TQM Research |
| Cincinnati, Ohio, United States, 45140 |
| Oklahoma Foundation/Digestive Research |
| Oklahoma City, Oklahoma, United States, 73104 |
| Northwest GI Clinic |
| Portland, Oregon, United States, 97210 |
| Paul Schleinitz MD and Associates |
| Medford, Oregon, United States, 97504 |
| Allegheny Center for Digestive Health |
| Pittsburgh, Pennsylvania, United States, 15212 |
| Keystone Digestive Disorders Consultants |
| Pittsburgh, Pennsylvania, United States, 15224 |
| Regional Gastroenterology Associates of Lancaster |
| Lancaster, Pennsylvania, United States, 17604 |
| University of Pittsburg Medical Center - Shadyside Hospital |
| Pittsburgh, Pennsylvania, United States, 15213-2582 |
| Valley Gastroenterology |
| Beaver Falls, Pennsylvania, United States, 15010 |
| MultiMed Research |
| Providence, Rhode Island, United States, 02906 |
| Medical Research Associates of Nashville |
| Nashville, Tennessee, United States, 37203 |
| Saint Thomas Hospital |
| Nashville, Tennessee, United States, 37205 |
| Vanderbilt-Ingram Cancer Center |
| Nashville, Tennessee, United States, 37232-6838 |
| GANT Research, PA |
| Fort Worth, Texas, United States, 76102 |
| Healthcare Discoveries, P.A. |
| San Antonio, Texas, United States, 78229 |
| Northwest Gastroenterology Associates |
| Bellevue, Washington, United States, 98004 |
| Olympia Multi-Specialty Clinic |
| Olympia, Washington, United States, 98502 |
| Spokane Digestive Disease Center |
| Spokane, Washington, United States, 99204 |
| Wisconsin Center for Advanced Research |
| Milwaukee, Wisconsin, United States, 53207 |
| Veterans Affairs Medical Center - Sheridan |
| Sheridan, Wyoming, United States, 82801 |
| Fremantle Hospital |
| Fremantle, Australia, 6160 |
| Concord Repatriation General Hospital |
| Concord, New South Wales, Australia, 2139 |
| Sydney Children's Hospital |
| Randwick, New South Wales, Australia, 2031 |
| Royal Brisbane Hospital |
| Brisbane, Queensland, Australia, 4029 |
| Flinders Medical Centre |
| Bedford Park, South Australia, Australia, 5042 |
| Monash Medical Center |
| Clayton, Victoria, Australia, 3168 |
| Royal Melbourne Hospital |
| Parkville, Victoria, Australia, 3050 |
| Western Hospital |
| Melbourne, Victoria, Australia, 3011 |
| Sir Charles Gairdner Hospital, Perth |
| Perth, Western Australia, Australia, 6009 |
| Hamilton Civic Hospital Research Centre |
| Hamilton, Canada, L8V-IC3 |
| Health Sciences Centre |
| Calgary, Alberta, Canada, T2N 4N1 |
| Hys. Medical Ctre. |
| Edmonton, Alberta, Canada, T5H 4B9 |
| Vancouver Hospital and Health Sciences Center - BCCA |
| Vancouver, British Columbia, Canada, V5Z 1L5 |
| Health Sciences Centre |
| Winnipeg, Manitoba, Canada, R3A 1R9 |
| Queen Elizabeth II Health Science Center |
| Halifax, Nova Scotia, Canada, B3H 2Y9 |
| Ottawa Hospital |
| Ottawa, Ontario, Canada, K1Y 4E9 |
| Sunnybrook Health Sciences Center |
| Toronto, Ontario, Canada, M4X 1W4 |
| Centre Hospital University |
| Quebec City, Quebec, Canada, G1L 3L5 |
| Centre Hospitalier de l'Universite' de Montreal |
| Montreal, Quebec, Canada, H2W 1T8 |
| Centre Hospitalier Universitaire de Quebec |
| Quebec City, Quebec, Canada, G1R 2J6 |
| Hospital Maisooneuve Rosemont |
| Montreal, Quebec, Canada, H1T 2M4 |
| Jewish General Hospital - Montreal |
| Montreal, Quebec, Canada, H3T 1E2 |
| Montreal General Hospital |
| Montreal, Quebec, Canada, H3G 1A4 |
| Royal Victoria Hospital - Montreal |
| Montreal, Quebec, Canada, H3A 1A1 |
| St. Paul's Hospital |
| Saskatoon, Saskatchewan, Canada, S7K 1N4 |
| South Tees Hospitals NHS Trust |
| Middlesbrough, Cleveland, England, United Kingdom, TS4 3BW |