,
de Graaf, Johan P. https://orcid.org/0000-0002-4140-2693
de Vries, Friso https://orcid.org/0000-0002-3660-6093
Dirkson, Anne https://orcid.org/0000-0002-4332-0296
Hiort, Olaf https://orcid.org/0000-0001-7490-4983
Pereira, Alberto M. https://orcid.org/0000-0002-1194-9866
Korbonits, Márta https://orcid.org/0000-0002-4101-9432
Cools, Martine https://orcid.org/0000-0002-9552-4899
Article History
Received: 5 October 2020
Accepted: 8 January 2021
First Online: 3 February 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This anonymized survey was not deemed medical research by the Ethical Review Board. Data handling and storage was in concordance with current EU regulation.
: Before starting the survey, patients gave their consent for scientific analysis and publication of their answers.