Funding for this research was provided by:
Anna Müller Grocholski Foundation
Clinical Research Priority Program Neurorehabilitation of the Medical Faculty of the University of Zurich
Received: 20 February 2018
Accepted: 28 August 2018
First Online: 14 November 2018
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Ethics Committee approval of Canton Zurich was obtained (KEK-ZH-Nr. 2013–0436).
: All participants or their parents provided written consent for this retrospective study.
: The authors declare that they have no competing interests.
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