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Article History

Received: 27 November 2019

Accepted: 22 April 2020

First Online: 6 May 2020

Compliance with ethical standards

:

: Keyoumars Ashkan: Honoraria and educational grant from Abbott, Medtronic and Boston Scientific companies.Vivek Mehta: NIHR-HTA Program: Chief Investigator, NHS England Commissioning SPG: Policy Working Group, Medical Advisory Board: Boston Scientific Investigator Initiated Grants: Boston Scientific, St Jude’s Medical, Medtronic, Mainstay, Nevro, Mundipharma: Travel Support and Honorarium: Boston Scientific, St Jude’s Medical, ATI.Harmut Göbel: has advised, collaborated with, and spoken at meetings organised by companies including: Allergan, Almirall-Prodesfarma, AstraZeneca, Bayer Vital, Berlin-Chemie, Bionorica, Bristol-Myers Squibb, Fujisawa, GlaxoSmithKline, Grünenthal, Hermal, Ipsen-Pharma, Janssen-Cilag, Johnson & Johnson, Krewel-Meuselbach, Lichtwer, Menarini Pharma, Merz Pharmaceuticals, Minster Pharmaceuticals, MSD, Novartis, Pfizer, Pharmacia, Sandoz, Schaper und Brümmer, Schwarz-Pharma, Weber & Weber, and SmithKlineBeecham.Axel Heinze: has advised, collaborated with, and spoken at meetings organised by companies including: Allergan, Novartis, Teva and Lilly.Astrid Gendolla: received fees for lectures and consulting Pharm Allergan, Reckitt Benckiser, St. Jude Medical, Bayer, Grünenthal, Mundipharma, Zahnärztekammer KVN, GAF, Novartis, Lilly, Teva.

: All procedures performed in studies involving humanparticipants were in accordance with the ethical standards of the institutional and/or national research committee for each participating side and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

: Informed consent was obtained from all individual participants included in the study.

: The sponsor had no role in the design of this study.