1 Institute for Sport and Sport Science, Division of Performance and Health (Sports Medicine), TU Dortmund University, Otto-Hahn-Straße 3, 44227, Dortmund, Germany. philipp.zimmer@tu-dortmund.de.
2 Institute for Molecular and Cellular Sports Medicine, German Sport University Cologne, Cologne, Germany.
3 Academic Unit for Psychiatry of Old Age, Department of Psychiatry, The University of Melbourne, Melbourne, Australia.
4 Department of Neurology, CHARITÉ-Universitätsmedizin Berlin, Berlin, Germany.