1. Groupe CardioVasculaire Interventionnel, Clinique Pasteur, Toulouse, France (D.T., C.d.B., R.P., J.M.-M.d.N., N.D.).
2. Thoraxcenter, Erasmus Medical Center, Rotterdam, the Netherlands (L.v.G., N.M.V.M.).
3. 3rd Department of Cardiology, Medical University of Silesia, Katowice, Poland (R.P., A.O.).
4. Institut cardiovasculaire Paris sud, Hôspital prive Jacques Cartier, Massy, France (T.L., T.H.).
5. The Heart Center-Rigshospitalet, Copenhagen, Denmark (O.D.B., L.S.).
6. German Heart Center, Munich (S.B., R.L.).
7. Cardiology Department, Rabin Medical Center, Petach Tikva, Tel-Aviv University, Israel (R.K., U.L.).
8. Department Cardiology, Aarhus University Hospital, Denmark (B.L.N.).
9. Centro Cardiotoracico TICINO, Lugano, Switzerland (L.B.).
10. Department of Cardiology, University Hospital Galway, Ireland (D.M.).
11. Independent biostatistician, Toulouse, France (C.L.).