- Correspondence to Dr Jill M Zelin, Barts Health NHS Trust, Bart’s Sexual Health Centre, Kenton and Lucas Block, St Bartholomew’s Hospital, West Smithfield, London EC1A 7BE, UK;
- Received February 28, 2017
- Revised June 11, 2017
- Accepted June 11, 2017
- First published August 5, 2017.
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