Gondek, Dawid
Kirkbride, James B.
Article History
Received: 23 March 2018
Accepted: 29 August 2018
First Online: 6 September 2018
Ethics approval and consent to participate
: The study was granted ethical approval by the University College London Research Ethics Committee (reference number 7151/001). Written informed consent was obtained to participate in the study was obtained from participants.
: Not applicable.
: The authors declare that they have no competing interests.
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