Neuropathic Pain

• Pfizer Investigational Site — Beijing, China
• Pfizer Investigational Site — Cheng Du Si Chaun, China
• Pfizer Investigational Site — Guangzhou, China
• Pfizer Investigational Site — Nan Jing, Jiang Su, China

Not specified

• Pfizer Investigational Site — Calgary, Alberta, Canada
• Pfizer Investigational Site — Calgary, Alberta, Canada
• Pfizer Investigational Site — Calgary, Alberta, Canada
• Pfizer Investigational Site — Edmonton, Alberta, Canada

• Satoh Orthopaedic Clinic — Ichikawa, Chiba, Japan
• Shiraishi Orthopaedic Clinic — Ichikawa, Chiba, Japan
• Clinic for Sports Medicine and Nutrition — Fukuoka, Japan
• Seiwa Orthopedics Surgery Internal Medicine — Fukuoka, Japan

• Albany Medical College — Albany, New York, United States

• Rijnstate Hospital — Velp, Gelderland, Netherlands
• Medisch Centrum Alkmaar — Alkmaar, North Holland, Netherlands
• Academic Medical Center — Amsterdam, North Holland, Netherlands
• Alrijne Hospital — Leiderdorp, South Holland, Netherlands

• The Vancouver General Hospital — Vancouver, British Columbia, Canada

• Anuja Bidkar — Thane, Maharashtra, India

Not specified

• Children's Hospital of Michigan — Detroit, Michigan, United States