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Article History

Received: 18 August 2025

Accepted: 3 November 2025

First Online: 8 December 2025

Declarations

:

: Ethical approval was granted in each country: Belgium (Ethics Committee of Namur – Hospital Mont Godinne, Belgium. 08/12/2022. Ref. B0392022000082); Greece (Ethics Committee of Eginition Hospital, 5462/27–06–2022 and 900/20–11–2022, Athens, Greece); Norway (The Regional Committee for Medical and Health Research Ethics, Norway, ref. 546,244); Poland (Bioethics Committee of the Institute of Psychiatry and Neurology, Poland − 39/2022); Spain (Comitè d’Ètica en la Recerca (CERec), University Autonomous of Barcelona, Barcelona, Spain 21/02/2023, ref. 6221); Switzerland (Ethical approval was waived by the Human Research Ethics Committee of the Canton of Bern, Switzerland (Req-2022–01423. 21/11/2022), as the study did not fall under the Human Research Act.). This study complied with the basic ethical principles contained in the Helsinki Declaration in its most recent version, from 2013. Participants signed a written informed consent form prior to their participation when needed. A consent form was not needed for interviewing HCPs in some countries.

: Not applicable.

: The authors declare no competing interests.