Pfeifer, Manuel
Bajanowski, Thomas
Helmus, Janine
Poetsch, Micaela http://orcid.org/0000-0003-1364-6487
Article History
Received: 16 August 2019
Accepted: 31 January 2020
First Online: 14 February 2020
Compliance with ethical standards
: All samples were obtained with approval of the Medical Ethics Committee at the University of Duisburg-Essen in accordance with the Declaration of Helsinki and national laws and with informed consent and approval of the prosecution for blood samples of corpses.