van Heuvel, Lotte
Eilers, Renske http://orcid.org/0000-0002-4309-5842
Feenstra, Sabiena G.
Haverkate, Manon R.
Timen, Aura
Article History
Received: 5 February 2020
Accepted: 1 June 2020
First Online: 10 June 2020
Ethics approval and consent to participate
: The study was reviewed by the Medical Research Ethics Committees United (V.98689/W16.75/hb/hb) and was declared not requiring further review involving the Medical Research Involving Human Subjects Act. All respondents signed a written informed consent document before participating in the study, including consent for publication.
: Included in the written informed consent document.
: The authors declare that they have no competing interests.