Pain, Intractable

• University of California, San Diego Mores Cancer Center — La Jolla, California, United States
• UT Southwestern Medical Center Simmons Comprehensive Cancer Center — Dallas, Texas, United States

• Valley Pain Consultants-North Scottsdale — Scottsdale, Arizona, United States
• Synovation Medical Group — Chula Vista, California, United States
• Center for Interventional Pain Spine — Wilmington, Delaware, United States
• Pain Care LLC — Stockbridge, Georgia, United States

Not specified

• Chulalongkorn Hospital — Bangkok, Thailand

• VA San Diego Healthcare System, San Diego — San Diego, California, United States

• Chulalongkorn Hospital — Bangkok, Thailand

• HOPE Research Institute — Phoenix, Arizona, United States
• Arizona Clinical Research Center — Tucson, Arizona, United States
• Compassionate Cancer Care Medical Group, Inc. — Corona, California, United States
• Cancer Care Associates — Fresno, California, United States

• Center of Evaluation and Treatment of the pain - Saint-Antoine Hospital — Paris, Île-de-France Region, France

• Alabama Pain Center — Huntsville, Alabama, United States
• California Pain Medicine Centers — Los Angeles, California, United States
• Pacific Pain Treatment Center — San Francisco, California, United States
• Yellowstone Neurological Associates — Billings, Montana, United States

• Pain Control Network — Louisville, Kentucky, United States
• Center for Pain Management — St Louis, Missouri, United States
• Forsyth Medical Center — Winston-Salem, North Carolina, United States