1. Arrhythmia Unit, Department of Cardiology, General University Hospital of Alicante
2. Department of Cardiology, Virgen de la Arrixaca General Hospital, Murcia University, Virgen de la Arrixaca Biosanitary Investigation Institute, IMIB-Arrixaca
3. Hematology and Medical Oncology Unit, Morales Meseguer University Hospital, Murcia University, Virgen de la Arrixaca Biosanitary Investigation Institute, IMIB-Arrixaca
4. University of Birmingham Institute of Cardiovascular Sciences, City Hospital