Wiessner, Reiko http://orcid.org/0000-0002-9364-4336
Lorenz, R.
Gehring, A.
Kleber, T.
Benz, C.
Sander, M.
Richter, D.-U.
Philipp, M.
Article History
Received: 14 May 2020
Accepted: 17 July 2020
First Online: 25 September 2020
Compliance with ethical standards
:
: RW, RL, AG, TK, CB, MS, DR and MP declare that they have no conflict of interest. RW declares conflict of interest not directly related to the submitted work. He has given two OP training courses for Company Medtronic.
: All authors confirm that no experiments with humans or animals have been carried out.
: For this type of stdy, formal consent is not required.