1. Department of Endurance Sports, Institute for Applied Training Science, Marschnerstraße 29, 04109 Leipzig, Germany
2. German Cycling Federation, 60528 Frankfurt am Main, Germany
3. Department of Biomechanics, Institute for Applied Training Science, 04109 Leipzig, Germany
4. Department of Engineering and Industrial Design, Magdeburg-Stendal University of Applied Sciences, 39114 Magdeburg, Germany
5. Department of Physiology and Pharmacology, Biomedicum C5, Karolinska Institutet, 17177 Stockholm, Sweden
6. Department of Health Sciences, Luleå University of Technology, 97754 Luleå, Sweden