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Article History

First Online: 12 September 2016

Competing interests

: H.-C.D. has received honoraria for participation in clinical trials, contribution to advisory boards or oral presentations from Addex Pharma, Alder, Allergan, Almirall, Amgen, Autonomic Technology, AstraZeneca, Bayer Vital, Berlin Chemie, Böhringer Ingelheim, Bristol-Myers Squibb, Chordate, Coherex, CoLucid, ElectroCore Medical, GlaxoSmithKline, Grünenthal, Janssen-Cilag, Labrys Biologicals, Lilly, La Roche, 3M Medica, Medtronic, Menerini, Minster, MSD, Neuroscore, Novartis, Johnson & Johnson, Pierre Fabre, Pfizer, Schaper and Brümmer, Sanofi, St. Jude Medical, Teva and Weber & Weber. Financial support for research projects was provided by Allergan, Almirall, AstraZeneca, Bayer, Electrocore Medical, GSK, Janssen-Cilag, MSD and Pfizer. He has no ownership interest and does not own stocks of any pharmaceutical company. D.H. has received financial support for research projects from Allergan, Grünenthal, Lilly, and research support from EFIC. K.S. has received honoraria for oral presentation from Allergan and MSD. C.G. has received honoraria from Allergan, Berlin-Chemie, MSD, ElectroCore Medical, St. Jude Medical, Grünenthal, Desitin, Bayer, Böhringer Ingelheim, Autonomic Technologies and Hormosan. He has no ownership interests and does not own any pharmaceutical company stocks.