Elsman, Ellen B. M. https://orcid.org/0000-0002-0680-6430
Tadić, Valerija
Peeters, Carel F. W.
van Rens, Ger H. M. B.
Rahi, Jugnoo S. https://orcid.org/0000-0002-5718-9209
van Nispen, Ruth M. A. https://orcid.org/0000-0003-1227-1177
Funding for this research was provided by:
Fight for Sight (1321/1322)
Royal Dutch Visio (N/A)
Amsterdam Public Health research institute (N/A)
Article History
Received: 26 July 2018
Accepted: 21 November 2019
First Online: 3 December 2019
Ethics approval and consent to participate
: The study protocol was approved by the Medical Ethical Committee of the VU University Medical Centre, Amsterdam, the Netherlands. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Written informed consent was obtained from all Dutch participants, i.e. from parents of all children, and from children and adolescents aged 13 years and older. Secondary analysis of the existing anonymised UK FVQ_CYP dataset did not require ethics approval. The data were drawn from the original development and psychometric study which involved individual consent to participation and was approved by the National Health Service Research Ethics Committee for UCL Institute of Child Health and Great Ormond Street Hospital, United Kingdom, and followed the tenets of the Declaration of Helsinki.
: Not applicable.
: Dr. Peeters and Dr. van Nispen are editorial board members of BMC Medical Research Methodology. Professor Rahi is a National Institute for Health Research (NIHR) Senior Investigator. The views expressed in this article are those of the author(s) and not necessarily those of the NHS, the NIHR, or the Department of Health. The remaining authors have no competing interests.