LDS Hospital, Salt Lake City, Utah, United States
Emory University, Atlanta, Georgia, United States
Methodist Debakey Heart Center, Houston, Texas, United States
University of Chicago Hospitals, Chicago, Illinois, United States
University of Chicago, Chicago, Illinois, United States
Cleveland Clinic Foundation, Cleveland, Ohio, United States
Gartnavel General Hospital, University of Glasgow, Glasgow, Scotland, United Kingdom
Yellowstone Neurological Associates, Billings, Montana, United States
Texas Back Institute, Plano, Texas, United States
California Pain Medicine Centers, Los Angeles, California, United States
University College London - Institute of Neurology, London, United Kingdom
Research Center, Rice Lake, Wisconsin, United States
Mayo Clinic, Scottsdale, Arizona, United States
Michigan Head Pain & Neurological Institute, Ann Arbor, Michigan, United States
Multiple locations in the US, St. Paul, Minnesota, United States
Kerckhof Klinik, Bad Nauheim, Germany