1. Stanford University, CA (T.J.B.).
2. NewYork-Presbyterian Hospital/Columbia University Medical Center (Z.A.A.).
3. Cardiovascular Research Foundation, New York (Z.A.A., A.M.).
4. King’s College Hospital, London, UK (J.M.H.).
5. Monash University, Melbourne, Australia (I.T.M.).
6. Shockwave Medical, Fremont, CA (U.I.).
7. Yale University School of Medicine, New Haven, CT (A.L.).
8. St. Bartholomew’s Heart Center, London, UK (A.L.).
9. The William Harvey Research Institute, Queen Mary University of London, UK (A.L.).
10. Skane University Hospital, Lund, Sweden (M.G.).
11. Erasmus University, Rotterdam, The Netherlands (N.M.V.M.).
12. St Vincent’s Hospital, Melbourne, Australia (R.W.).
13. Clinique Pasteur, Toulouse, France (J.F.).
14. University Hospital Careggi, Florence, Italy (C.D.M.).
15. Royal Brompton Hospital, London, UK (C.D.M.).