Kühn, Florian
Wirth, Ulrich
Zimmermann, Julia
Beger, Nicola
Hasenhütl, Sandro M.
Drefs, Moritz
Heiliger, Christian
Burian, Maria
Werner, Jens
Schiergens, Tobias S.
Funding for this research was provided by:
Universitätsklinik München
Article History
Received: 4 August 2020
Accepted: 15 November 2020
First Online: 1 December 2020
Compliance with ethical standards
:
: Dres. Florian Kühn, Ulrich Wirth, Julia Zimmermann, Nicola Beger, Sandro M. Hasenhütl, Moritz Drefs, Maria Burian, Jens Werner, and Tobias S. Schiergens have declared that no conflict of interest exists. This study cohort includes data of 85 patients reported in earlier publications by Weidenhagen et al. and Kühn et al., both published in <i>Surgical Endoscopy</i> in 2007 and 2020, respectively.