1 Institute for Clinical Diabetology and Leibniz Center for Diabetes Research at Heinrich-Heine University Düsseldorf, German Diabetes Center, Düsseldorf, Germany.
2 German Center for Diabetes Research (DZD e.V.), München-Neuherberg, Germany.
3 Laboratory of Molecular and Chemical Biology of Neurodegeneration, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland.
4 Department of Sport Science, University of Innsbruck, Innsbruck, Austria.
5 Austrian Society for Alpine- and High-Altitude Medicine, Innsbruck, Austria.