1. King's College London, Cardiology, London, United Kingdom of Great Britain and Northern Ireland;
2. King's College London, Cardiovascular Division, The James Black centre, 125 Coldharbour Lane, London, United Kingdom of Great Britain and Northern Ireland, SE5 9NU;
3. King's College London, Cardiology, Medical School Building, Bessemer Road, London, United Kingdom of Great Britain and Northern Ireland, SE5 9PJ, , ;