1. Biomedical Engineering Office, Research and DevelopmentSCHWIND eye‐tech‐solutionsKleinostheim D‐63801 Germany
2. Experimental Radiation OncologyUniversity Medical Center Mannheim, Heidelberg UniversityMannheim D‐68167 Germany
3. Interdisciplinary Center for Scientific Computing (IWR)Heidelberg UniversityHeidelberg 69120 Germany
4. Central Institute for Computer Engineering (ZITI)Heidelberg UniversityHeidelberg 69120 Germany
5. Department of Theoretical Physics IIIUniversity of WürzburgWürzburg 97074 Germany