The Essex Cardiothoracic Centre, Basildon, Essex, United Kingdom
Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, United States
Virgen de las Nieves University Hospital, Granada, Spain
Arrhythmia Unit, University Hospital RamΓ³n y Cajal, Madrid, Spain
Essex Cardiothoracic Centre, Basildon, Essex, United Kingdom
Royal Bournemouth Hospital, Bournemouth, United Kingdom
Essex Cardiothoracic Centre, Basildon, Essex, United Kingdom
Mid and South Essex NHS Foundation Trust, Broomfield, Essex, United Kingdom
Mid and South Essex Hospitals NHS Foundation Trust, Basildon, Essex, United Kingdom