Received: 27 November 2020
Accepted: 20 April 2021
First Online: 30 April 2021
: The study was approved by the School of Medicine of the Universidad de Navarra and by the Ethics Committee for Research of the Universidad de Navarra (project 2019–114). All the students that participated in the study gave their informed consent for their participation and were not compensated for it.
: Not applicable.
: The authors declare that they have no competing interests.