California:
  University of California, Los Angeles
  Los Angeles, CA 
  
  University of California, San Francisco
  San Francisco, CA

Colorado:
  Colorado State University
  Ft. Collins, CO

  Shaw Cancer Center
  Edwards, CO

  Vail Health
  Vail, CO

Illinois:
  Northwestern University
  Chicago, IL

Minnesota:
  Mayo Clinic
  Rochester, MN

  University of Minnesota
  Minneapolis, MN

Missouri:
  Washington University
  St. Louis, MO

New York:
  University of Rochester
  Rochester, NY

Pennsylvania:
  University of Pittsburgh
  Pittsburgh, PA

Texas:
 
Houston Methodist 
  Houston, TX

  University of Texas Health Science Center at Houston
  Houston, TX

Wisconsin:
 
University of Wisconsin
  Madison, WI

Norway:
  Oslo Sports Trauma Research Center  
 
Oslo, Norway

  University of Oslo
  Oslo, Norway