1Department of General, Visceral and Vascular Surgery, Charité – Universitätsmedizin Berlin, Berlin, Germany
2Center for Diagnostic and Interventional Radiology and Nuclear Medicine, Charité – Universitätsmedizin Berlin, Berlin, Germany
3Berlin Brandenburg School of Regenerative Therapies, Charité – Universitätsmedizin Berlin, Berlin, Germany
4Laboratory of Multivariate Analysis and Global Modelling, Samara State Technical University, Samara, Russia
5art photonics GmbH, Berlin, Germany
6Department of General, Visceral and Vascular Surgery, Charité - Universitätsmedizin Berlin, Berlin, Germany