1. National Institute of Environmental Health Sciences, NIH; Bethesda Maryland
2. University of Manchester; Manchester UK
3. Salford Royal National Health Service Foundation Trust; Salford UK
4. Institute of Rheumatology; Prague Czech Republic
5. University of Debrecen; Debrecen Hungary
6. University College London; London UK
7. Karolinska University Hospital; Solna Sweden
8. Karolinska Institutet; Stockholm Sweden
9. Children's Hospital of Chicago and Northwestern University Feinberg School of Medicine; Chicago Illinois
10. Mayo Clinic; Rochester Minnesota
11. Vall d'Hebron General Hospital; Barcelona Spain
12. Utrecht University Medical Center; Utrecht The Netherlands
13. Nijmegen Center for Molecular Life Sciences; Nijmegen The Netherlands
14. M. D. Anderson Cancer Center; Houston Texas
15. North Shore LIJ-Health System and Feinstein Institute for Medical Research; Manhasset New York