Acknowledgements

I would like to thank

Dr. Maria Anisimova and Dr. Maryam Zaheri for their supervision on this project,
Dr. Michael Huber for leading our research group and allowing me to learn so many things at work,
Dr. Verena Kufner and Gabriela Ziltener for supporting the study I got the data from and
Dr. Teja Turk for moral and statistical support.

Thank you very much.