Received: 5 August 2020
Accepted: 24 May 2021
First Online: 8 June 2021
: This study was approved by the Leiden University Graduate School of Teaching Research Ethics Committee (reference number: IREC_ICLON 2017-17). All participants gave written informed consent to participate in the study.
: All the participants in this study signed a letter in which they gave informed consent to analyse their peer feedback and to publish the results of these analyses. In the letter, they were informed about how their peer feedback would be coded, where this data would be stored and who had access to the data.
: No competing interests are declared for this study.