Table 1.

Search terms and strategy

Search	Search terms	Results
1	PrEP OR “pre-exposure prophylaxis” OR tenofovir OR truvada OR emtricitabine OR “TDF" OR "FTC”	13,833
2	Homosexual* OR “men who have sex with men” OR MSM OR gay OR bisexual	51,188
3	1 + 2	1003

Databases were searched using the appropriate subject headings and/or keywords or text words for the above search groups. Example search (Medline) conducted on 03/08/2018