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Financial & competing interests disclosure
K Seppi has received honoraria from AOP Orphan Pharmaceuticals AG, Boehringer Ingelheim and Lundbeck, and has been awarded grants from Medical University Innsbruck and Oesterreichische Nationalbank. W Poewe has received consultancy and lecture fees from AstraZeneca, Teva, Novartis, GSK, Boehringer Ingelheim, UCB, Orion Pharma, Merck Serono and Solvay-Abbott in relation to clinical drug development programs for PD; has been awarded an AstraZeneca grant (2009–2012); and has received royalties from Oxford University press and Wiley-Blackwell. The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript apart from those disclosed.
No writing assistance was utilized in the production of this manuscript.