Pratt, Philip
Ives, Matthew
Lawton, Graham
Simmons, Jonathan
Radev, Nasko
Spyropoulou, Liana
Amiras, Dimitri http://orcid.org/0000-0002-6144-0048
Article History
Received: 5 September 2017
Accepted: 27 November 2017
First Online: 31 January 2018
Ethics approval and consent to participate
: Ethics approval for the study was sought and granted by the London (Dulwich) Research Ethics Committee (reference number 07/Q0703/24). Written informed consent to participate was obtained from all participants recruited to the study.
: Written informed consent for publication was obtained from all participants recruited to the study.
: The authors declare that they have no competing interests.
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