1 Cardiac Department, Interventional Cardiology Unit, Hospital Universitario Marques de Valdecilla, IDIVAL, Santander, Spain; Harvard-MIT Biomedical Engineering Center, Cambridge, Massachusetts. Electronic address: he1thj@humv.es.
2 Quebec Heart & Lung Institute, Quebec City, Quebec, Canada; Cleveland Clinic Coordinating Center for Clinical Research (C5R), Cleveland, Ohio; Department of Medicine, University of Adelaide, Adelaide, Australia.
3 Cardiac Department, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria, IIS-IP, Universidad Autónoma de Madrid, Spain.