1. Department of Pharmaceutical and Medicinal Chemistry Institute of Pharmacy Freie Universitaet Berlin Koenigin‐Luise‐Str. 2+4 14195 Berlin Germany
2. Laboratorio Antidoping FMSI Largo Giulio Onesti 1 Rome 00197 Italy
3. REDs ‐ Research and Expertise in Anti‐Doping Sciences, ISSUL ‐ Institute of Sport Sciences University of Lausanne Synathlon ‐ Quartier Centre Lausanne 1015 Switzerland
4. Department for Molecular and Cellular Sports Medicine Institute for Cardiovascular Research and Sports Medicine German Sport University Cologne Am Sportpark Muengersdorf 6 50933 Cologne Germany