1. Institute for Cardiology and Sports
Medicine, German Sport University Cologne, 50933 Cologne
2. University of Applied Sciences,
Department of Social Work, 04275 Leipzig
3. GSF Research Centre of Environmental
and Health, Institute of Epidemiology, 85764 Neuherberg/Munich
4. Rehabilitation Centre for
Cardiovascular Diseases, 15562 Rüdersdorf, Germany
5. Institute of Social Medicine,
University of Luebeck, Medical School, 23552 Luebeck, Germany