Nonmotor and diagnostic findings in subjects with de novo Parkinson disease of the DeNoPa cohort

Brit Mollenhauer^*, Ellen Trautmann, Friederike Sixel-Döring, Tamara Wicke, Jens Ebentheuer, Martina Schaumburg, Elisabeth Lang, Niels K. Focke, Kishore R. Kumar, Katja Lohmann, Christine Klein, Michael G. Schlossmacher, Ralf Kohnen, Tim Friede, Claudia Trenkwalder