Correspondence to Dr Matthias Michal, Department of Psychosomatic Medicine and Psychotherapy, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz 55131, Germany; ...
Division of Cardiac & Vascular Sciences, St George's University of London, London, UK Correspondence to Dr Malini Govindan, Division of Cardiac and Vascular Sciences, St George's University of London, ...