Published on in Vol 17 , No 9 (2015) :September

1 Health Behaviour Research Centre, Department of Epidemiology & Public Health, University College London, London, United Kingdom
2 University Medical Centre Göttingen, Clinic for Cardiology and Pneumology, Georg-August University Göttingen, Göttingen, Germany
3 Department of Clinical, Educational and Health Psychology, University College London, London, United Kingdom
4 University Medical Centre Göttingen, Clinic for Haematology and Oncology, Georg-August University Göttingen, Göttingen, Germany
5 University Medical Centre Hamburg-Eppendorf, Department of Legal Medicine, Hamburg, Germany