1 Instituto de Investigación Biomédica de A Coruña, Universidade da Coruña, A Coruña, Spain; Institute of Cardiovascular Science, University College London, London, United Kingdom; Cardiovascular Disease Unit, Health in Code S.L., A Coruña, Spain. Electronic address: w.mckenna@ucl.ac.uk.
2 Division of Cardiology, University of Manchester, Manchester, United Kingdom.
3 Departments of Pediatrics, Cardiac Sciences, Biochemistry and Molecular Biology, University of Calgary, Calgary, Alberta, Canada.
4 Cardiovascular Genetics Centre, Montreal Heart Institute, and Faculty of Medicine, Université de Montreal, Montreal, Quebec, Canada.
5 JV Cardiology, Prague, Czech Republic.
6 Division of Cardiology, Peter Munk Cardiac Centre, Toronto General Hospital, University of Toronto, Toronto, Ontario, Canada.