- Correspondence to Dr Elizabeth Foley, Department of Sexual Health, Solent NHS Trust, Level B, Royal South Hants Hospital, St Mary's Road, Southampton SO14 0YG, UK;
- Received 6 September 2016
- Revised 19 February 2017
- Accepted 25 February 2017
- Published in print 1 November 2017.
- Published online 23 October 2017.
- Published first 4 April 2017.
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