• Albert Einstein College of Medicine, Bronx, New York
• Allegheny University-MCP Hahnemann School of Medicine, Philadelphia, Pennsylvania
• Creighton University, Omaha, Nebraska
• Jefferson Medical College of Thomas Jefferson University, Philadelphia, Pennsylvania
• Johns Hopkins University, Baltimore, Maryland
• John Wayne Cancer Institute, Santa Monica, California
• Louisiana State University, New Orleans, Louisiana
• Medical College of Wisconsin, Milwaukee, Wisconsin
• Mount Sinai School of Medicine, New York, New York
• Oregon Health Sciences University, Portland, Oregon
• Stanford University, Stanford, California
• Tulane University, New Orleans, Louisiana
• University of Alabama, Birmingham, Alabama
• University of Arkansas, Little Rock, Arkansas
• University of California, San Diego, La Jolla, California

• University of California, San Francisco, San Francisco, California
• University of Cincinnati, Cincinnati, Ohio
• University of Colorado, Denver, Colorado
• University of Kentucky, Lexington, Kentucky
• University of Medicine of New Jersey, New Brunswick, New Jersey
• University of Mississippi, Jackson, Mississippi
• University of New Mexico, Albuquerque, New Mexico
• University of Oklahoma, Oklahoma City, Oklahoma
• University of South Alabama, Mobile, Alabama
• University of Southern California, Los Angeles, California
• University of Tennessee, Memphis, Tennessee
• University of Texas, San Antonio, Texas
• University of Washington, Seattle, Washington

Alabama

• Baptist Medical Centre, Birmingham
• Carraway Methodist Medical Centre, Birmingham
• University of Alabama Hospital, Birmingham
• University of South Alabama, Mobile

Arizona 

• Phoenix Memorial Hospital, Phoenix
• Scottsdale Healthcare, Scottsdale
• Tucson Medical Centre, Tucson
• University Medical Centre, Tucson
• YUMA Regional Medical Centre, Yuma

Arkansas 

• St. Joseph’s Regional Health Centre, Hot Springs
• University Hospital of Arkansas, Little Rock

California 

• California Hospital Medical Centre, Los Angeles
• Eisenhower Memorial Hospital, Rancho Mirage<
• Fountain Valley Regional Hospital & Medical Centre, Fountain Valley
• General Hospital, Eureka
• Glendale Memorial Hospital and Health Centre, Glendale
• Grossmont Hospital, La Mesa
• Hoag Memorial Hospital Presbyterian, Newport Beach
• Huntington Memorial Hospital, Pasadena
• John Wayne Cancer Institute, Santa Monica
• Kern Medical Centre, Bakersfield
• LAC + USC Medical Centre, Los Angeles
• Los Alamitos Medical Centre,  Los Alamitos
• Los Robles Regional Medical Centre, Thousand Oaks
• Memorial Hospital Association, Modesto
• Mercy General Hospital, Sacramento
• Mercy Healthcare Bakersfield, Bakersfield
• O’Conner Hospital, San Jose
• Pacific Hospital of Long Beach, Long Beach
• Santa Rosa Memorial Hospital,  Santa Rosa
• University of California San Diego Medical Centre, San Diego
• West Hills Regional Medical Centre, West Hills

Colorado 

• Boulder Community Hospital, Boulder
• Memorial Hospital, Colorado Springs
• Parkview Episcopal Medical Centre, Pueblo
• Porter Memorial Hospital, Denver
• Rose Medical Centre, Denver
• University Hospital, Denver

Connecticut 

• Danbury Hospital, Danbury
• Greenwich Hospital, Greenwich

Delaware 

• Medical Centre of Delaware, Wilmington
• Milford Memorial Hospital, Milford

Florida 

• AMI Memorial Hospital, Tampa
• Aventura Hospital and Medical Centre, Miami
• Bay Medical Centre, Panama City
• Boca Raton Community Hospital, Boca Raton
• Broward General Medical Centre, Fort Lauderdale
• Cedars Medical Centre, Miami
• Florida Hospital- Altamonte, Altamonte Springs
• Halifax Medical Centre, Daytona Beach
• Leesburg Regional Medical Centre, Leesburg
• Martin Memorial Medical Centre, Stuart
• University Community Hospital, Tampa
• University General Hospital, Seminole
• Westside Regional Medical Centre, Plantation

Georgia 

• Medical Centre of Central Georgia, Macon
• North Fulton Regional Hospital, Roswell
• St. Joseph’s Hospital of Atlanta, Atlanta

Hawaii 

• Queen’s Medical Centre, Honolulu

Illinois 

• Alexian Brothers Medical Centre, Elk Grove
• Alton Memorial Hospital, Alton
• CGH Medical Centre, Chicago
• Decatur Memorial Hospital, Decatur
• Galesburg Cottage Hospital, Galesburg
• Hinsdale Hospital, Hinsdale
• Illinois Masonic Medical Centre, Chicago
• Katherine Shaw Bethea Hospital, Dixon
• Memorial Hospital, Belleville
• Riverside Medical Centre, Kankakee
• St. Elizabeth’s Hospital, Belleville
• St. Joseph’s Medical Centre, Joliet
• Sherman Hospital, Elgin
• South Suburban Hospital, Hazel Crest
• St. Joseph’s Hospital, Highland

Indiana 

• Ball Memorial Hospital, Muncie
• Community Hospitals, Indianapolis

Kansas 

• Columbia/HCA Mt. Oread, Lawrence
• Mercy Hospital of Kansas, Fort Scott
• Mt. Carmel Medical Centre, Pittsburg
• Overland Park Regional Medical Centre, Overland Park
• St. Francis Regional Medical Centre, Wichita

Kentucky 

• University of Louisville Hospital, Louisville

Louisiana 

• Charity Hospital, New Orleans
• Ochsner Foundation Hospital, New Orleans
  Pendleton Memorial Methodist Hospital, New Orleans
• Tulane Medical Centre Hospital, New Orleans

Maryland 

• Johns Hopkins Hospital, Baltimore
• Memorial Hospital at Easton, Easton
• St. Joseph Medical Centre, Towson

Massachusetts 

• Brockton Hospital, Brockton
• Salem Hospital, Salem

Michigan 

• Borgess Medical Centre, Kalamazoo
• Bronson Methodist Hospital, Kalamazoo
• Holland Community Hospital, Holland
• Ingham Medical Centre, Lansing
• McLaren Regional Medical Centre, Flint
• Mercy Hospital- Detroit, Detroit
• Riverside Osteopathic Hospital, Trenton
• Sparrow Hospital, Lansing
• St. Joseph’s Mercy Hospitals and Health Services, Clinton Township
• St. Lawrence Hospital and Healthcare Services, Lansing

Minnesota 

• Abbott-Northwestern Hospital, Minneapolis
• Fairview Ridges Hospital, Burnsville
• Fairview Southdale Hospital, Edina
• Immanuel- St. Joseph’s Hospital, Mankato
• St. John’s Regional Health Centre, Red Wing

Missouri 

• Capital Region Medical Centre- Southwest, Jefferson City
• Columbia Regional Hospital, Columbia
• Deaconess Medical Centre- Central, St. Louis
• Menorah Medical Centre, Kansas City
• St. John’s Regional Medical Centre, Joplin

Nebraska 

• Bishop Clarkson Memorial Hospital, Omaha
• Good Samaritan Hospital, Kearney
• St. Joseph Hospital, Omaha

New Hampshire 

• St. Joseph Hospital, Nashua

New Jersey 

• Helene Fuld Medical Centre, Trenton
• Jersey Shore Medical Centre, Neptune
• Overlook Hospital, Summit
• Robert Wood Johnson University Hospital, New Brunswick
• Union Hospital, Union
• United Hospitals Medical Centre, Newark

New York 

• Benedictine Hospital, Kingston
• Beth Israel Medical Centre, New York
• Long Island Jewish Medical Centre, New Hyde Park
• Montefiore Medical Centre, Bronx
• New York Health and Hospital, New York
• Private RT, Schenectady
• Sidney Sobel, M.D. (Private RT), Batavia
• St. Peter’s Hospital, Albany
• Vassar Brothers Hospital, Poughkeepsie

North Carolina 

• Rex Healthcare, Raleigh
• St. Joseph’s Hospital, Asheville

Ohio 

• Good Samaritan Hospital & Health Centre, Dayton
• Lancaster-Fairfield Community Hospital, Lancaster
• Providence Hospital, Cincinnati
• St. Elizabeth Medical Centre, Dayton
• University of Cincinnati Hospital, Cincinnati

Oklahoma 

• Jane Phillips Episcopal Memorial Medical Centre, Bartlesville
• Presbyterian Hospital, Oklahoma City
• University Hospitals, Oklahoma City

Oregon 

• Douglas Community Hospital, Roseburg
• Good Samaritan Hospital & Medical Centre, Portland
• Legacy Emanuel Hospital & Health Centre, Portland
• Mount Hood Medical Centre, Gresham
• Sacred Heart Medical Centre, Eugene

Pennsylvania

• Forbes Regional Hospital, Monroeville
• Hamot Medical Centre, Erie
• Harrisburg Hospital, Harrisburg
• Hehnemann University Hospital, Philadelphia
• Hospital of Fox Chase Centre, Philadelphia
• Lehigh Valley Hospital, Allentown
• Mercy Regional Health System, Altoona
• Monongahela Valley Hospital, Monongahela
• Sacred Heart Hospital, Norristown
• Thomas Jefferson University Hospital, Philadelphia
• Uniontown Hospital, Uniontown

South Carolina 

• Greenville Memorial Hospital, Greenville
• Richland Memorial Hospital, Columbia
• Spartanburg Regional Medical Centre, Spartanburg

Tennessee 

• Laughlin Memorial Hospital, Greeneville
• Methodist Hospitals of Memphis, Memphis
• University of Tennessee Medical Centre, Knoxville

Texas 

• Bay Area Medical Centre, Corpus Christi
• Memorial Medical Centre, El Paso
• Park Place Medical Centre, Port Arthur
• Sun Tower Regional Medical Centre, El Paso
• Santa Rosa Health Care Corporation, San Antonio
• St. Joseph Hospital, Houston
• South Austin Medical Centre, Austin
• Southwest General Hospital, San Antonio
• University of Texas MD Anderson Hospital, Houston

Virginia 

• Mary Washington Hospital, Fredericksburg
• Memorial Hospital of Martinsville & Henry Co., Martinsville
• Mt. Vernon Hospital, Alexandria
• Rockingham Memorial Hospital, Harrisonburg
• Sentara Hampton General Hospital, Hampton
• Sentara Norfolk General Hospital, Norfolk
• St. Mary’s Hospital of Richmond, Richmond
• Winchester Medical Centre, Winchester

Washington 

• St. Mary Medical Centre, Walla Walla
• Tacoma General Hospital, Tacoma
• University of Washington Medical Centre, Seattle

West Virginia 

• Bluefield Regional Medical Centre, Bluefield
• Private RT, Beckley
• St. Mary’s Hospital, Huntington
• West Virginia University Hospitals, Morgantown

Wisconsin 

• Milwaukee County Mental Health Complex, Milwaukee

United Kingdom 

• Parkside Hospital, Wimbledon, England
• Harley Street Clinic, London, England
• Belfast City Hospital Trust, Belfast, Northern Ireland
• Leeds Teaching Hospitals NHS Trust, Leeds, England

Germany 

• Kliniken Essen Mitte, Essen, Germany

Italy 

• Centre di Terapia Protonica di Mestre, Venice

Turkey

• Metropolitan Florence Nightingale Hospital, Istanbul, Turkey

Argentina 

• Fundacion Acción Academia Nacional de Medicina, Buenos Aires
• Hospital Angel Roffo, Buenos Aires

Brazil

• ICC and Group of Physicians, Fortaleza
• ULBRA, Porto Alegre
• Hospital Erasto Gartner, Curitiba

Ecuador

• Hospital Metropolitano, Quito

Trinidad 

• Diagnostic Facility, Port-of-Spain