Osteoarthritis, Knee

• Central Research Associates, Inc. — Birmingham, Alabama, United States
• CORE Orthopaedic Medical Center — Encinitas, California, United States
• St. Joseph Heritage — Fullerton, California, United States
• Artemis Institute for Clinical Research — San Diego, California, United States

• Kırıkkale University — Kirikkale, Turkey (Türkiye)

• Anupam Hospital — Rudrapur, Uttarakhand, India

• Alabama Orthopaedic Center - Research — Birmingham, Alabama, United States
• Cahaba Research, Inc — Birmingham, Alabama, United States
• Coastal Clinical Research, Inc — Mobile, Alabama, United States
• Noble Clinical Research, LLC — Tucson, Arizona, United States

• Holland Center for Family Health — Glendale, Arizona, United States
• GB Family Care — Phoenix, Arizona, United States
• Arizona Research Center — Phoenix, Arizona, United States
• Med Center Medical Clinic — Carmichael, California, United States

• Athens Orthopedic Clinic, P.A. — Athens, Georgia, United States

Not specified

• Fondren Orthopedic Group, L.L.P. — Houston, Texas, United States

• Ankara City Hospital — Ankara, Turkey (Türkiye)

• MOTION Science Institute — Chapel Hill, North Carolina, United States