1. Bielefeld University, Faculty of Physics, Universitätsstraße 25, 33615 Bielefeld, Germany
2. Bielefeld University of Applied Sciences and Arts, Faculty of Engineering and Mathematics, Interaktion 1, 33619 Bielefeld, Germany
3. neotem Bioanalytics, Universitätsstraße 25, 33615 Bielefeld, Germany
4. University of Hawaii, Department of Physics and Astronomy, Watanabe Hall, 2505 Correa Road, Honolulu, HI 96822, USA