Chronic Pain

• Coastal Clinical Research, Inc. — Mobile, Alabama, United States
• Dedicated Clinical Research — Goodyear, Arizona, United States
• Arizona Research Center — Phoenix, Arizona, United States
• Premier Research Group Limited — Phoenix, Arizona, United States

• Monash University — Melbourne, Australia

• East End Clinic, St. Joseph's Healthcare Hamilton — Hamilton, Ontario, Canada

• AMC — Seoul, South Korea

• Uppsala University — Uppsala, Sweden

• Department of Anesthesia and ICU - IRCCS Policlinico S Matteo — Pavia, Italy

• Charité hospital — Berlin, State of Berlin, Germany

• Istituto Ortopedico G. Pini — Milan, Milano, Italy

• Hospital das Clínicas da FMUSP — São Paulo, Brazil

Not specified