Received: 19 November 2019
Accepted: 13 November 2020
First Online: 19 November 2020
Ethics approval and consent to participate
: In accordance with the Danish regulations for biomedical research, participants gave written informed consent by participating in the dietary survey and completing the web-based questionnaire. The dietary survey was approved by <i>the</i> Institutional Review Committee <i>and the Danish Data Protection Agency</i>. According to The Regional Ethical Committee Copenhagen the survey was a quality development study with no notification obligation to the Danish Regional Committee system.
: Not applicable.
: No authors declare a conflict of interest.