Acknowledgements
RECRUITMENT
We would like to express a big thank to all college students for their participation. Furthermore, we would like to thank Ayca Ilgaz for the randomization, Anna-Lena Kling, and Laura Wiedenmann for their support in the study management, Paula Phillipi for her advice on the statistical analysis, the universities supporting us in the recruitment process as well as the eSano team for their IT-support.