1. Alfred Hospital and Baker IDI Heart & Diabetes Institute; Melbourne Australia
2. Hospital of the University of Pennsylvania; Philadelphia PA USA
3. Department of Cardiology; Rigshospitalet Copenhagen Denmark
4. National Heart & Lung Institute; Royal Brompton and Harefield Hospitals, Imperial College; London UK
5. Cardiology Department; UMCG; Groningen Netherlands
6. Fourth Military Hospital; Wroclaw Poland
7. Corvia Medical; Boston MA USA
8. Columbia University; New York NY USA
9. Northwestern University Medical School; Chicago IL USA