Text and Data Mining valid from 2018-10-11
Received: 16 May 2018
Accepted: 20 September 2018
First Online: 11 October 2018
: The cadaveric specimens used in this study were derived from bodies that entered the department of anatomy, University of Utrecht, through a donation program. From these persons written consent was obtained during life that allowed the use of their entire bodies for educational and research purposes.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.