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Article History

Received: 17 May 2017

Accepted: 4 October 2017

First Online: 3 November 2017

Competing Interests

: This work was supported by a Joint MRC/Priory Clinical research training fellowship to Sagnik Bhattacharyya (G0501775) and a grant to Oliver Howes (grant number: MC-A656-5QD30) from the Medical Research Council, UK. Sagnik Bhattacharyya is currently supported by a NIHR Clinician Scientist Award (NIHR CS-11-001) and the MRC (MR/J012149/1). Euitae Kim was supported by the Korea Health Technology R&D Project through the Korea Health Industry Development Institute (KHIDI) grant, funded by the Ministry of Health & Welfare, Republic of Korea (Grant no.HI15C3104). This work was supported by the Wellcome EPSRC Centre for Medical Engineering at King’s College London (WT 203148/Z/16/Z). The authors acknowledge infrastructure support from the NIHR Mental Health Biomedical Research Centre at South London and Maudsley NHS Foundation Trust and King’s College London. The authors acknowledge financial support from the Department of Health via the National Institute for Health Research (NIHR) comprehensive Biomedical Research Centre award to Guy’s & St Thomas’ NHS Foundation Trust in partnership with King’s College London and King’s College Hospital NHS Foundation Trust. The views expressed are those of the author(s) and not necessarily those of the NHS, the NIHR or the Department of Health. Philip McGuire and Sagnik Bhattacharyya have received research funding from GW pharmaceuticals unrelated to this work. The other authors disclose no competing financial interests and potential conflict of interest relevant to the subject matter of the manuscript.