1. Stanford University Medical CenterPalo Alto California
2. Metroplex Clinical Research CenterDallas Texas
3. Altoona Center for Clinical ResearchDuncansville Pennsylvania
4. Rheumatology and Osteoporosis Outpatient ClinicWarsaw Poland
5. SanofiPrague Czech Republic
6. Sanofi Bridgewater New Jersey
7. Regeneron Pharmaceuticals TarrytownNew York
8. Leiden University Medical CentreLeiden The Netherlands