Funding for this research was provided by:
German Federal Ministry of Education and Research (01 EO 1401, 01 EO 0901)
Munich clusters Systems Neurology (EXC 1010 SyNergy)
Deutsche Stiftung Neurologie
Text and Data Mining valid from 2019-04-10
Received: 4 February 2019
Revised: 25 March 2019
Accepted: 27 March 2019
First Online: 10 April 2019
Compliance with ethical standards
: On behalf of all authors, the corresponding author states that there is no conflict of interest.
: The study was not industry sponsored. This work was supported by the German Federal Ministry of Education and Research (BMBF, Grant codes 01 EO 0901 and 01 EO 1401), the Deutsche Forschungsgemeinschaft (German Research Foundation) within the framework of the Munich Cluster for Systems Neurology (EXC 1010 SyNergy), and the Deutsche Stiftung Neurologie (DSN).
: The study has been approved by the local ethics committee and has therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.