Carolinas Research Institute, Huntersville, North Carolina, United States
UC Health Pain Medicine, Cincinnati, Ohio, United States
Premier Pain Treatment Institute, Loveland, Ohio, United States
UMC Utrecht, Utrecht, Netherlands
Hospital Clinico de Santiago, Santiago De Compostela, Spain
St.-Johannes-Hospital, Dortmund, Germany
Emory University Hospital, Atlanta, Georgia, United States
South Denver Cardiology, Littleton, Colorado, United States
Tallahassee Memorial Hospital, Tallahassee, Florida, United States
Vitamed Research, Palm Desert, California, United States
Denver Back Pain Specialists, Greenwood Village, Colorado, United States
South Lake Pain Institute, Inc, Clermont, Florida, United States
St. John's Hospital, Springfield, Illinois, United States
Mercy Hospital Medical Center, West Des Moines, Iowa, United States
Weill Cornell Medical University, New York, New York, United States
Toronto General Hospital, University Health Network, Toronto, Ontario, Canada
Virginia Mason Medical Center, Seattle, Washington, United States
Erasme University Hospital, Brussels, Belgium
Uniklinik Koeln, Koeln, Germany
University Berlin, Charite Virchow Standort, Wedding, Berlin, Germany
Universitaetsklinikum Freiburg, Freiburg, Germany
California Orthopedics & Spine, Larkspur, California, United States
Pain Medicine Associates, Fountain Valley, California, United States
Source Healthcare, Santa Monica, California, United States
University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, United States
Emory University Hospital, Atlanta, Georgia, United States
Massachusetts General Hospital, Boston, Massachusetts, United States
Cardiovascular Institute of Michigan, Clinton Township, Michigan, United States
PeaceHealth Southwest Medical, Bellingham, Washington, United States
University of Iowa Hospitals and Clinics, Iowa City, Iowa, United States