Received: 23 April 2020
Accepted: 11 September 2020
First Online: 29 September 2020
Ethics approval and consent to participate
: The study was conducted in accordance with the Declaration of Helsinki, and all procedures performed in this study have been approved by the Ethics Committee I of the Medical Faculty of Heidelberg University (S-242/2015). Written informed consent was obtained from all participants prior to study inclusion.
: Not applicable.
: EDB was a co-founder of Dividat, the spin-off company that developed the videogames used in this study and is associated to the company as an external advisor. No revenue was paid (or promised to be paid) directly to EDB or his institution over the 36 months prior to submission of the work. KH, EL, MGL, CB, and CW do not have any commercial interest in the device nor were they paid for the study. No competing financial interests exist for all authors.