Funding for this research was provided by:
Health Technology Assessment Programme (16/85/01)
Received: 27 March 2020
Accepted: 14 May 2020
First Online: 3 June 2020
Ethics approval and consent to participate
: The research protocol was given a favourable opinion by the South Central-Oxford B Research Ethics Committee on 22 May 2018. This ethics approval applies to all NHS sites taking part in the REST study. Parents/legal guardians will be asked for their permission for their child to participate in the study and will be asked to provide their written, informed consent prior to enrollment. Any amendments to the protocol will be reported accordingly to the regulatory bodies (see Additional File InternalRef removed for the confirmation of favourable opinion by the Ethics Committee letter).
: Not applicable
: The authors declare that they have no competing interests.