Text and Data Mining valid from 2018-09-05
Received: 11 June 2018
Revised: 27 August 2018
Accepted: 29 August 2018
First Online: 5 September 2018
Compliance with ethical standards
: Written informed consent was received from participants at the Charité Department of Neurology. All human and animal studies have been approved by the appropriate ethics committee (Charité University Hospital Institutional Review Board) and have therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: On behalf of all authors, the corresponding author states that there is no conflict of interest.