1st contribution by Nicole Megel

Supervisors: Prof. T. Fritzlar & Prof. R.-T. Kramer

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2nd contribution by Franziska Wehlmann

Supervisors: Prof. T. Fritzlar & Prof. R.-T. Kramer

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3rd contribution by Elisa Wagner

Supervisors: Prof. T. Fritzlar & Prof. R.-T. Kramer