G.N. Zmievskoy, E.A. Zilov, C.S. Kartashova

F. Gehrmann - B.Sc., Scientific assistant at the Central Institute of Healtcare Engineering (ZiMT), Friedrich-Alexander-Universitaet Erlangen-Nuernberg. E-mail: florian.gehrmann@zimt.uni-erlangen.de
T. Zobel, K. Höller