Funding for this research was provided by:
Chinese University of Hong Kong
Medical Research Council
National Institute for Health Research
Autism Research Trust
Cambridgeshire and Peterborough NHS Foundation Trust
Received: 7 July 2018
Accepted: 22 November 2018
First Online: 28 February 2019
Ethics approval and consent to participate
: This study was approved by the Research Ethics Committee at the Chinese University of Hong Kong and the Peking University Institutional Review Board. Consent was provided to participants via the screening package before participating. Participants were asked to indicate whether they continued to consent at the end of the study.
: Not applicable.
: The authors declare that they have no competing interests.
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