Funding for this research was provided by:
Fortüne Program, University of Tuebingen, Tuebingen, Germany (2339-0-0)
Article History
Received: 10 April 2019
Accepted: 7 November 2019
First Online: 22 November 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee of the medical faculty at the Eberhard Karls University Tuebingen, reference number: 371/2017BO2 and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Anatomical specimens were obtained from the body donation program of the Institute of Clinical Anatomy and Cell Analysis of the University of Tuebingen with written permission of the donors.