1. Interventional Cardiology Unit, Cardiology Department, Complejo Hospitalario Universitario de Albacete, Spain (J.G.C.-S., A.G.-D., A.G.-L., J.J.P.-P., D.M., J.J.-M.).
2. Interventional Cardiology Unit, Cardiology Department, Hospital Universitario Puerta de Hierro, Majadahonda, Madrid, Spain (J.F.O.).
3. Interventional Cardiology Unit, Cardiovascular Institute, Hospital Clínico San Carlos, Madrid, Spain (A.E.-D., P.S.).
4. Hospital HM Torrelodones, Madrid, Spain (E.P.-P.).