1. Birmingham VA Medical Center; Department of Medicine; Faculty Office Tower 805B 510 20th Street South Birmingham AL USA 35294
2. University of Ottawa; Department of Epidemiology and Community Medicine; Room H1281 40 Ruskin Street Ottawa ON Canada K1Y 4W7
3. Copenhagen University Hospital, Bispebjerg og Frederiksberg; Musculoskeletal Statistics Unit, The Parker Institute; Nordre Fasanvej 57 Copenhagen Denmark DK-2000
4. University of Ottawa; Bruyère Research Institute; 43 Bruyère St Annex E, room 302 Ottawa ON Canada K1N 5C8
5. Ottawa Hospital Research Institute (OHRI), The Ottawa Hospital - General Campus; Centre for Practice-Changing Research (CPCR); 501 Smyth Road, Box 711 Ottawa ON Canada K1H 8L6
6. Robarts Clinical Trials; Cochrane IBD Group; 100 Dundas Street, Suite 200 London ON Canada N6A 5B6
7. Fondazione I.R.C.C.S. Istituto Neurologico Carlo Besta; Scientific Direction; via Celoria, 11 Milano Italy 20133
8. University Hospital of Cologne; Cochrane Haematological Malignancies Group, Department I of Internal Medicine; Kerpener Str. 62 Cologne Germany 50937
9. University of West Indies; Epidemiology Research Unit; Mona Kingston 7 Jamaica
10. University of Sorocaba, São Paulo; Sciences of Pharmaceutical Program; Rodovia Raposo Tavares, s/n Sorocaba São Paulo Brazil CEP 18023-000
11. McMaster University; Department of Clinical Epidemiology and Biostatistics; 1200 Main Street West Hamilton ON Canada L8N 3Z5
12. Faculty of Medicine Carl Gustav Carus, Technischen Universität (TU) Dresden; Center for Evidence-Based Healthcare; Fetscherstr. 74 Dresden Germany 01307
13. I.R.C.C.S. Santa Maria Nascente - Fondazione Don Gnocchi; Unit of Neurorehabilitation - Multiple Sclerosis Center; Via Capecelatro, 66 Milano Italy 20148
14. Goethe University; Evidence-Based Medicine Frankfurt, Institute of General Practice; Theodor Stern Kai 7 Frankfurt Germany 60590
15. J.W. Goethe-University Hospital; Department of Dermatology, Venereology, and Allergology; Theodor-Stern-Kai 7 Frankfurt Germany 60590
16. Dubai Pharmacy College; Dept of Clinical Pharmacy & Pharmacy Practice; Po Box 19099 AlMuhaisanah 1, Al mizhar Dubai United Arab Emirates
17. University Hospital Cologne; Cochrane Haematological Malignancies Group; Kerpener Strasse 62 Cologne Germany 50924
18. Department of Epidemiology and Preventive Medicine, Monash University; Monash Department of Clinical Epidemiology at Cabrini Hospital; Suite 41, Cabrini Medical Centre 183 Wattletree Road Malvern Victoria Australia 3144
19. National Hospital for Neurology and Neurosurgery; Department of Neurology and MRC Centre for Neuromuscular Diseases; Queen Square London UK WC1N 3BG
20. Faculty of Medicine, University of Ottawa; Department of Medicine; Ottawa ON Canada K1H 8M5
21. Clinical Epidemiology Program; Ottawa Hospital Research Institute; Ottawa ON Canada K1Y 4E9
22. Faculty of Medicine, University of Ottawa; Department of Epidemiology and Community Medicine; Ottawa ON Canada K1H 8M5
23. Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University; Monash Department of Clinical Epidemiology, Cabrini Hospital; Suite 41, Cabrini Medical Centre 183 Wattletree Road Malvern Victoria Australia 3144