Overall morbidity after total minimally invasive keyhole oesophagectomy versus hybrid oesophagectomy (the MICkey trial): study protocol for a multicentre randomized controlled tria... oleh Rosa Klotz, Markus K. Diener, Thomas Schmidt, Thilo Hackert, Sandra Graf, Hans F. Fuchs, Peter Grimminger, Jan-Hendrick Egberts, Ines Gockel, Pieter C. van der Sluis, Colette Doerr-Harim, Christina Klose, Manuel Feißt, Andre L. Mihaljevic