The prion hypothesis in Parkinson's disease: Braak to the future.

"Competing interests NPV, PLB & L-NH declare no conflicts of interest. AEL has served as an advisor for Abbott, Allon Therapeutics, Astra Zenica, Avanir Pharmaceuticals, Biovail, Boerhinger-Ingelheim, BMS Cephalon, Ceregene, Eisai, GSK, Lundbeck A/S, Medtronic, Merck Serono, MSD, Novartis, Santhera, Solvay, and Teva; received grants from Canadian Institutes of Health Research, Dystonia Medical Research Foundation, Michael J. Fox Foundation, National Parkinson Foundation, Parkinson Society of Canada, and Ontario Problem Gambling Research Centre; received publishing royalties from Saunders, Wiley-Blackwell, Johns Hopkins Press, and Cambridge University Press; and has served as an expert witness in cases related to the welding industry."

"NPV, PLB & L-NH declare no conflicts of interest. AEL has served as an advisor for Abbott, Allon Therapeutics, Astra Zenica, Avanir Pharmaceuticals, Biovail, Boerhinger-Ingelheim, BMS Cephalon, Ceregene, Eisai, GSK, Lundbeck A/S, Medtronic, Merck Serono, MSD, Novartis, Santhera, Solvay, and Teva; received grants from Canadian Institutes of Health Research, Dystonia Medical Research Foundation, Michael J. Fox Foundation, National Parkinson Foundation, Parkinson Society of Canada, and Ontario Problem Gambling Research Centre; received publishing royalties from Saunders, Wiley-Blackwell, Johns Hopkins Press, and Cambridge University Press; and has served as an expert witness in cases related to the welding industry."