Institute for Social Medicine, Epidemiology and Health Economics, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany, gabriele.rotter@charite.de.
Kurt-Singer-Institute for Music Physiology and Musicians' Health, Hanns Eisler School of Music Berlin, Berlin, Germany, gabriele.rotter@charite.de.