US001: PRA Health Sciences, Lenexa, Kansas, United States
US004: Northwestern University - Feinberg School of Medicine - Rehabilitation Institute of Chicago (RIC), Chicago, Illinois, United States
US033: Alliance Research Centers, Laguna Hills, California, United States
US005: International Clinical Research Institute, Overland Park, Kansas, United States
SGS Antwerpen, Antwerpen, Belgium
Site US119 - G & L Research, Foley, Alabama, United States
Site US117 - Valley Pain Consultants, Scottsdale, Arizona, United States
Site US172 - Core Healthcare Group, Cerritos, California, United States
Universidad de Chile, Hospital Barros Luco, Santiago, Chile
Complejo Asistencial Dr. Sótero del Río (CASR), Santiago, Chile
Universidad de Chile, Hospital Clínico San Borja Arriarán, Santiago, Chile
PL001, Łódź, Poland
US004, Philadelphia, Pennsylvania, United States
US001, Palo Alto, California, United States
HU001, Budapest, Hungary
BG006, Sofia, Bulgaria
CL004, Santiago, Chile
US003, Dallas, Texas, United States
PL005, Lodz, Poland
PL002, Lublin, Poland
DE005, Bad Saarow, Germany
DE007, Berlin, Germany
DE021, Berlin, Germany
GBR001, Glasgow, United Kingdom
ITA004, Firenze, Italy
BRA002, Itajai, Brazil