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Article History

Received: 28 December 2017

Accepted: 22 March 2018

First Online: 6 April 2018

Ethics approval and consent to participate

: This study was carried out in accordance with the ethical standards and regulations of the Medical Ethical Committee of the University Medical Center Groningen, the Netherlands. All subjects in this study received care-as-usual and the presented data cannot be traced back to individual patients. Therefore this study is not subject to the Law on Medical Scientific Research involving Human Beings (WMO), and written informed consent from the subjects was not required.

: Not applicable, as the manuscript does not contain any individual person’s data.

: The authors declare that they have no competing interests. Full financial disclosures of all authors: Dr. van Egmond received a travel grant from Medtronic; Prof Tijssen received research grants from Fonds Nuts-Ohra, Stichting Wetenschapsfonds Dystonievereniging, Prinses Beatrix Foundation, STW Technology society (NeuroSIPE), and Phelps Stichting voor Spastici. Unrestricted grants were received from Allergan Pharmaceuticals, Actelion, Ipsen Pharmaceuticals. An unrestricted grant was received from Medtronic for a dystonia nurse, and from DystonieNet for a teaching course. Dr. de Koning received a research grant from Metakids Foundation, Ride4Kids Foundation, and Metabolic Power Foundation (non-profit) and a research grant from Actelion (for profit). The other authors have indicated they have no financial relationships to disclose.

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