1 Heidelberg University, Institute of Medical Biometry and Informatics, Im Neuenheimer Feld 130.3, Heidelberg, 69120, Germany.
2 Peter L. Reichertz Institute for Medical Informatics of TU Braunschweig and Hannover Medical School, Carl-Neuberg-Str. 1, Hannover, 30625, Germany.
3 Heidelberg University, Institute of Medical Biometry and Informatics, Im Neuenheimer Feld 130.3, Heidelberg, 69120, Germany. matthias.ganzinger@med.uni-heidelberg.de.