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Authors
Colonna, Silvia
Eyre, Olga
Agha, Sharifah Shameem
Thapar, Anita
van Goozen, Stephanie
Langley, Kate
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Article History
Received: 7 June 2021
Accepted: 24 February 2022
First Online: 5 March 2022
Declarations
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: Ethical approval was obtained from the Wales Multicentre Research Ethics Committee (reference numbers: 06/MRE08/75, 11/WA/0050). Parents and adolescents age 16 and over gave written informed consent. For participants 15 years of age or younger written informed consent was taken from parents and they also gave written informed assent. All methods were performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: The authors have no competing interests to disclose.
