1. Cardiovascular Division, Brigham and Women's Hospital, Boston, MA, USA
2. Rigshospitalet Copenhagen University Hospital, Copenhagen, Denmark
3. ANMCO Research Center, Firenze, Italy
4. University of Montreal, Montreal, Canada
5. Novartis Pharmaceuticals East Hanover, NJ, USA
6. Brigham and Women's Hospital, Boston, MA, USA
7. University of Glasgow, Glasgow, UK