1 Clinic for General and Visceral Surgery, Helios Clinics in Schwerin, University Campus of the MSH Medical School Hamburg, Wismarsche Strasse 393-397, Schwerin, 19055, Germany. anja.koehler2@helios-gesundheit.de.
2 Department of General and Visceral Surgery, Charité Universitätsmedizin Berlin Campus Benjamin Franklin, Hindenburgdamm 30, 12203, Berlin, Germany. anja.koehler2@helios-gesundheit.de.
3 Clinic for General and Visceral Surgery, Helios Clinics in Schwerin, University Campus of the MSH Medical School Hamburg, Wismarsche Strasse 393-397, Schwerin, 19055, Germany.
4 Department of General and Visceral Surgery, Charité Universitätsmedizin Berlin Campus Benjamin Franklin, Hindenburgdamm 30, 12203, Berlin, Germany.