Distribution and impact on quality of life of the pain modalities assessed by the King’s Parkinson’s disease pain scale oleh Pablo Martinez-Martin, Jose Manuel Rojo-Abuin, Alexandra Rizos, Carmen Rodriguez-Blazquez, Claudia Trenkwalder, Lauren Perkins, Anna Sauerbier, Per Odin, Angelo Antonini, Kallol Ray Chaudhuri, on behalf of KPPS, EUROPAR and the IPMDS Non Motor PD Study Group