Kendir, Candan
Larrain, Nicolas
van den Berg, Michael
Guanais, Frederico
Klazinga, Niek
Kringos, Dionne
Rijken, Mieke
Valderas, Jose M
Article History
Received: 15 April 2026
Accepted: 1 July 2026
First Online: 16 July 2026
Declarations
Ethics approval and consent to participate: This study is based on secondary analysis of anonymised data from the OECD Patient-Reported Indicator Surveys. The secondary analysis was exempted from ethical review by the non-WMO Committee of the Medical Ethics Review Committee of Amsterdam University Medical Centres (FWA00032965). Original PaRIS data collection was conducted by the OECD and participating countries in accordance with relevant national ethical regulations. Informed consent to participate was obtained from all participants in accordance with national regulations. In countries where consent was waived, this was approved by the relevant ethics committees or regulatory authorities, in line with national legislation. All procedures performed in studies involving human participants were conducted in accordance with the ethical standards of the institutional and national research committees and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
Consent for publication: Not applicable.
Competing interests: The authors declare no competing interests.