Surgeons' participation in the development of collaboration and management competencies in undergraduate medical education. oleh Miriam Rothdiener, Jan Griewatz, Adrian Meder, Alessandro Dall'Acqua, Udo Obertacke, Andreas Kirschniak, Katrin Borucki, Sarah Koenig, Miriam Ruesseler, Sandra Steffens, Bernhard Steinweg, Maria Lammerding-Koeppel