1. Medbase St. Gallen Am Vadianplatz, St. Gallen
2. Institut für Hausarztmedizin, Universität Zürich, Zürich
3. Gdansk University of Physical Education and Sport, Danzig, Polen
4. Exercise Physiology Laboratory, Nikaia, Griechenland
5. School of Health and Caring Sciences, University of West Attica, Athen, Griechenland