About the Authors

Natalia Muehlemann

Roles Conceptualization, Methodology, Writing – original draft, Writing – review & editing

natalia.muehlemann@nestle.com

Affiliation Nestlé Health Science, Epalinges, Switzerland

Baptiste Jouaneton

Roles Conceptualization, Formal analysis, Methodology, Writing – review & editing

Affiliation HEVA; Lyon, France

Lucie de Léotoing

Roles Conceptualization, Formal analysis, Methodology, Writing – original draft, Writing – review & editing

Affiliation HEVA; Lyon, France

Jean-Jacques Chalé

Roles Conceptualization, Methodology, Writing – review & editing

Affiliation Finance Department, Geneva University Hospital, Geneva, Switzerland

Jérôme Fernandes

Roles Conceptualization, Methodology, Writing – review & editing

Affiliation Groupe OC Santé, Montpellier, France

Georg Kägi

Roles Conceptualization, Methodology, Writing – review & editing

Affiliation Department of Neurology, Kantonsspital St. Gallen, St. Gallen, Switzerland

Hakan Sarikaya

Roles Writing – review & editing

Affiliation Department of Neurology, University Hospital of Berne, Berne, Switzerland

Marcel Arnold

Roles Conceptualization, Methodology, Writing – review & editing

Affiliation Department of Neurology, University Hospital of Berne, Berne, Switzerland

Competing Interests

N. M. is a full-time employee of Nestle Health Science, Nestec S.A. B. J. and L. L. are employees of HEVA, Lyon, a contract research organisation, which received funding from Nestlé Health Science for the conduct of this study. J-J. C. provided a free contribution to this study. J. F. has received consultancy fees from HEVA in the context of this study. M. A. received speaker honoraria from Bayer, Boehringer Ingelheim, and Covidien; scientific advisory board honoraria from Amgen, Bayer, Boehringer Ingelheim, BMS, Pfizer, Covidien, Daichy Sankyo and Nestlé Health Science, and research grants from the Swiss Heart Foundation and the Swiss National Science Foundation. G.K. received speaker honoraria from Zambon; scientific advisory board honoraria from Bayer, Boehringer Ingelheim, Daichy Sankyo, Nestlé Health Science, Zambon and research grants from the Swiss Heart Foundation, Swiss Parkinson Association and the Swiss National Science Foundation. H.S. declares no conflict of interest. This does not alter our adherence to PLOS ONE policies on sharing data and materials.