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Laurence Negre-Pages reports grants from the Association France-Parkinson, ADREN, Boehringer Ingelheim, Eisai, Faust Pharmaceuticals, GlaxoSmithKline, Pierre Fabre M\u00e9dicaments, Solvay Pharma, Wyeth Lederl\u00e9 for funding this project and that she owns stock options from LN PHARMA, which was one of the sponsors of this study. Philippe Damier has received honoraria for conferences from Teva and Novartis. Wassilios Meissner has received fees for editorial activities from Springer Nature and Elsevier, for consultancy activities from Biohaven and Lundbeck, and teaching honoraria from UCB and Boehringer Ingelheim. Santiago Perez-Lloret received honoraria from Osmotica and Merz pharmaceuticals. Arnaud Delval, Pascal Derkinderen, Alain Dest\u00e9e, Margherita Fabbri, Amine Rachdi, and Francois Tison have no conflict of interest to declare.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflicts of interest"}},{"value":"Include appropriate approvals or waivers.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval"}},{"value":"The study was approved by Institutional Review Boards at the participating centers, and French regulatory authorities. It was undertaken following international guidelines. Signed informed consent was obtained from all patients.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent to participate"}},{"value":"All authors approved the publication of this article.","order":5,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}}]}}