Table 1. Search strategy.

	Domain, intervention, outcome and design
	HIV/AIDS (1)	Isoniazid (2)	Tuberculosis (3)	Randomization (4)
Search terms	Human immunodeficiency OR virus, OR HIV, OR Acquired immunodeficiency syndrome, OR AIDS	Isoniazid, INH, OR Prevention, OR Preventive, OR Prophylaxis, OR Prophylactic	Tuberculosis OR TB	Randomized OR Randomization
Search fields	MeSH AND Title/Abstract	MeSH AND Title/Abstract	MeSH AND Title/Abstract	MeSH AND Title/Abstract
Final search	(((#1) AND #2) AND #3) AND #4		Date of search closure at September 11th 2015

HIV: Human Immunodeficiency Virus; AIDS: Acquired Immunodeficiency Syndrome; INH: Isoniazid; TB: Tuberculosis; MeSH: Medical Subject Headings