Received: 6 April 2018
Accepted: 7 May 2018
First Online: 31 May 2018
Ethics approval and consent to participate
: Brain samples were obtained from The Netherlands Brain Bank (NBB), Netherlands Institute for Neuroscience, Amsterdam. All donors had given written informed consent for brain autopsy and the use of material and clinical information for research purposes. Whole blood from healthy male and female donors was obtained from the San Diego Blood Bank (ages 18–65 years) after informed consent was obtained from the donors.
: The authors declare that they have no competing interests.
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