St. Augustinus ziekenhuis, Wilrijk, Belgium
Kliniken im Naturpark Altmühltal, Eichstätt, Germany
Klinikum Leverkusen gGmbH, Leverkusen, Germany
Neurological & Spine Associates, Scarborough, Maine, United States
St. Mary's Spine Center, San Francisco, California, United States
Greater Baltimore Spine Care, Timonium, Maryland, United States
UCLA Comprehensive Spine Center, Santa Monica, California, United States
UpState Orthopedics, East Syracuse, New York, United States
The Kirklin Clinic - UAB Medical, Birmingham, Alabama, United States
Texas Back Institute, Plano, Texas, United States
The Spine and Neurosurgery Center, Huntsville, Alabama, United States
Spine Source, Beverly Hills, California, United States
Utah Valley Regional Medical Center, Provo, Utah, United States
The Center for Orthopedic and Neurosurgical Care and Research (The Center), Bend, Oregon, United States
Western Slope Study Group, Grand Junction, Colorado, United States
Valley Radiology Inc., UCSD, Escondido, California, United States
Boulder Neurosurgical Associates, Boulder, Colorado, United States
H. Lee Moffitt Cancer Center, Tampa, Florida, United States
University of Alabama, Birmingham, Alabama, United States