1. From the Hospital Universitario de Canarias, University of La Laguna, La Laguna, Spain; the
2. Department of Systems Engineering, University of La Laguna, La Laguna, Spain; the
3. Weill Cornell Medical College, New York, New York; the
4. Hospital Clinico San Carlos, University Complutense of Madrid, Madrid, Spain; and the
5. Miguel Servet University Hospital, Aragon Health Sciences Institute, University of Zaragoza, Zaragoza, Spain.