1. McMaster University, Hamilton, Ontario, Canada
2. University of Cape Town, Cape Town, South Africa
3. Narayana Hrudayalaya Limited, Bangalore, Karnataka, India
4. St John’s Medical College and Research Institute, Bangalore, India
5. Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
6. Winnipeg Health Sciences Centre, University of Manitoba, Winnipeg, Manitoba, Canada
7. Christian Medical College, Ludhiana, Punjab, India
8. Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, England
9. University of Malaya, Kuala Lumpur, Malaysia
10. Cleveland Clinic, Cleveland, Ohio
11. Jagiellonian University Medical College, Krakow, Poland
12. Research Institute Hcor (Hospital do Coracao), Sao Paulo, Brazil
13. Universidad Autónoma de Bucaramanga and Fundación Cardioinfantil–Instituto de Cardiología, Bogotá, Colombia
14. Universidad Peruana Cayetano Heredia, Lima, Peru
15. Western University, London, Ontario, Canada
16. The George Institute for Global Health, Westmead Hospital, University of Sydney, Sydney, Australia
17. University College Hospital NHS Trust and William Harvey Research Institute, Queen Mary University of London, London, United Kingdom
18. Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, Brazil
19. Royal Liverpool and Broadgreen University Hospitals, Liverpool, England
20. Leeds Teaching Hospitals NHS Trust, Leeds, England
21. Federal University of Rio Grande do Sul and Hospital Moinhos de Vento, Porto Alegre, Brazil
22. Iberoamerican Cochrane Center (IIB Sant Pau–CIBERESP), Hospital Sant Pau, Barcelona, Spain
23. University of KwaZulu-Natal, Pietermaritzburg, South Africa
24. University Hospital Düsseldorf, Düsseldorf, Germany
25. Hospital Universitario Gregorio Marañón, Madrid, Spain
26. University of Alberta, Edmonton, Alberta, Canada
27. Fundación Cardioinfantil–Instituto de Cardiología, Bogotá, Colombia
28. Universite Pierre et Marie Curie, Paris, France
29. Hospital Universitario Austral, Pilar, Buenos Aires, Argentina
30. Mayo Clinic, Rochester, Minnesota