लेखक: Matthias Kliegel

Prof. Mike Martin is Professor of Gerontology and Gerontopsychology at the University of Zurich, Director of the Centre for Gerontology and Executive Director of the University Research Focus Group (UFSP) on ?Dynamics of Healthy Ageing= and of the ?International Normal Ageing and Plasticity Imaging Centres= (INAPIC) at the University of Zurich. Prof. Matthias Kliegel is Professor of Psychology at the University of Geneva.