The Orthopedic Center, Tulsa, Oklahoma, United States
Sun City Clinical Research, Sun City, Arizona, United States
Trovare Clinical Research, Bakersfield, California, United States
UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, United States
Marshall Health, Huntington, West Virginia, United States
South Miami Hospital, Miami, Florida, United States
Piedmont Family Practice, Warrenton, Virginia, United States
Headache and Pain Management Center of SWFL, Fort Myers, Florida, United States
Gold Coast Research, Plantation, Florida, United States
NEMA Research Inc. (CRO), Naples, Florida, United States
International Clinical Research Institute, Leawood, Kansas, United States