Strohäker, Jens
Wiegand, Lisa
Beltzer, Christian
Königsrainer, Alfred
Ladurner, Ruth
Bachmann, Robert
Funding for this research was provided by:
Eberhard Karls Universität Tübingen
Article History
Received: 15 November 2020
Accepted: 2 February 2021
First Online: 24 March 2021
Declarations
:
: All research was performed to ethical standards of the declaration of Helsinki and all amendments.The study was approved by the ethics committee of the Tuebingen University Hospital under the reference number 502/2019BO2. Due to the retrospective character of this study no individual written consent needed to be collected.
: Dr. Jens Strohäker, Miss Lisa Wiegand, Dr. Christian Beltzer, Prof. Dr. Alfred Königsrainer, PD Dr. Ruth Ladurner and Dr. Robert Bachmann have no conflicts of interest or financial ties to disclose.