Funding for this research was provided by:
Austrian Science Fund (P-29370B27)
Received: 1 July 2019
Accepted: 24 August 2019
First Online: 3 September 2019
Ethics approval and consent to participate
: According to the ethical guidelines of the 1975 Declaration of Helsinki, the Ethics Committee of the Medical University of Graz, Austria, approved the collection and use of human brain specimens (EK 28–549 ex 15/16).
: Not applicable
: The authors declare that they have no competing interests.