1. McMaster University, Hamilton, Ontario, Canada
2. St. Michael’s Hospital, Toronto, Ontario, Canada
3. Centre hospitalier de l'Université de Montréal, Montréal, Québec, Canada
4. Duke University, Durham, NC, USA
5. Yonsei University College of Medicine, Seoul, Korea
6. Hospital Universitário Pedro Ernesto, Rio de Janeiro, Brazil
7. ANMCO Research Center, Firenze, Italy