Stiehl, Thomas
Marciniak-Czochra, Anna
Article History
First Online: 23 May 2019
Compliance with Ethical Standards
:
: Thomas Stiehl and Anna Marciniak-Czochra declare that they have no conflict of interest.
: All reported studies and experiments involving human or animal subjects performed by the authors have been previously published and complied with applicable ethical standards as defined in the Helsinki declaration and its amendments, institutional and national research committee standards, and international/national/institutional guidelines.