Neuralgia, Postherpetic

• GSK Investigational Site — Birmingham, Alabama, United States
• GSK Investigational Site — Northport, Alabama, United States
• GSK Investigational Site — Chandler, Arizona, United States
• GSK Investigational Site — Gilbert, Arizona, United States

• GSK Investigational Site — Phoenix, Arizona, United States
• GSK Investigational Site — Oxnard, California, United States
• GSK Investigational Site — Roseville, California, United States
• GSK Investigational Site — San Francisco, California, United States

• VA Medical Center, Birmingham — Birmingham, Alabama, United States
• VA Palo Alto Health Care System — Palo Alto, California, United States
• VA San Diego Healthcare System, San Diego — San Diego, California, United States
• University of Colorado — Denver, Colorado, United States

• Mobile, Alabama, United States
• Tuscaloosa, Alabama, United States
• Phoenix, Arizona, United States
• Sun City, Arizona, United States

Not specified

• Peoria, Arizona, United States
• Tucson, Arizona, United States
• Little Rock, Arkansas, United States
• Los Angeles, California, United States

• Bergmannsheil, Department for pain management — Bochum, Germany

• NeurogesX Investigational Site — Huntsville, Alabama, United States
• NeurogesX Investigational Site — Tucson, Arizona, United States
• NeurogesX Investigational Site — Irvine, California, United States
• NeurogesX Investigational Site — La Jolla, California, United States

• ZARS Pharma Clinical Site — Lexington, Kentucky, United States
• ZARS Pharma Clinical Site. Reference: SCP-403 — High Point, North Carolina, United States
• ZARS Pharma Clinical Site. Reference: SCP-403 — Winston-Salem, North Carolina, United States
• ZARS Pharma Clinical Site — Norman, Oklahoma, United States

• Birmingham, Alabama, United States
• Tuscaloosa, Alabama, United States
• Phoenix, Arizona, United States
• Little Rock, Arkansas, United States