1. Silesian University of Technology (SUOT),Faculty of Biomedical Engineering,Department of Biosensors and Processing of Biomedical Signals,Zabrze,Poland
2. Maxer Endoscopy GmbH,Wurmlingen,Germany
3. Ludwig-Maximilians-University (LMU),Clinic for General, Visceral and Transplant Surgery,Munich,Germany
4. Technical University of Munich (TUM),Chair for Computer Aided Medical Procedures & Augmented Reality (CAMP),Munich,Germany
5. University Hospital, LMU Munich,Department of Radiology,Munich,Germany,81377