Lubbe, Steven J ; Escott-Price, Valentina ; Brice, Alexis ; Gasser, Thomas [P:(DE-2719)2320009] ; Hardy, John ; Heutink, Peter [P:(DE-2719)2810728] ; Sharma, Manu [P:(DE-HGF)0] ; Wood, Nicholas W ; Nalls, Mike ; Singleton, Andrew B ; Williams, Nigel M ; Morris, Huw R ; Consortium, International Parkinson's Disease Genomics