Suarez-Ibarrola, Rodrigo http://orcid.org/0000-0001-5725-8780
Hein, Simon
Reis, Gerd
Gratzke, Christian
Miernik, Arkadiusz
Article History
Received: 24 July 2019
Accepted: 25 October 2019
First Online: 5 November 2019
Compliance with ethical standards
:
: The authors declare no conflicts of interest.
: This research did not involve human subjects or animals.
: As this is a review of the literature, no ethical approval was necessary.