Osteoarthritis of the Knee

• Tucson, Arizona, United States
• Duncansville, Pennsylvania, United States
• Broadmeadow, New South Wales, Australia
• Kogarah, New South Wales, Australia

• Anniston, Alabama, United States
• Birmingham, Alabama, United States
• Mobile, Alabama, United States
• Phoenix, Arizona, United States

• Neurovations — Napa, California, United States
• Injury Care Medical Center — Boise, Idaho, United States

• Adelaide, South Australia, Australia
• Perth, Western Australia, Australia

• University of Tartu — Tartu, Estonia

• Lyman Medical Research — Coeur d'Alene, Idaho, United States
• Ocshner Baptist Clinical Trials Unit — New Orleans, Louisiana, United States
• Mayo Clinic — Rochester, Minnesota, United States
• Clinical Investigations, LLC — Edmond, Oklahoma, United States

Not specified

• University Orthopedics Center — Altoona, Pennsylvania, United States
• Pain Diagnostics and Interventional Care — Sewickley, Pennsylvania, United States
• University Orthopedics Center — State College, Pennsylvania, United States
• Piedmont Comprehensive Pain Management — Anderson, South Carolina, United States

• Instituto de Pesquisa Clínica e Assistencia Medica de Campinas — Campinas, São Paulo, Brazil
• Centro Paulista de Investigacoes Clinicas Ltda — São Paulo, Brazil
• Centro de Pesquisa Clínica Perdizes — São Paulo, Brazil
• Instituto de Medicina Avancada — São Paulo, Brazil

• Ampio Pharmaceuticals — Englewood, Colorado, United States