Cochrane Croatia participated in the creation of reporting guideline for health estimates.GATHER is a checklist of 18 items that should be reported every time new global health estimates are published, including descriptions of input data and estimation methods. The articles were published in The Lancet (http://www.thelancet.com/journals/lancet/article/PIIS0140-6736(16)30388-9/fulltext) and PLoS Medicine (http://journals.plos.org/plosmedicine/article?id=10.1371%2Fjournal.pmed.1002056). More details are available at GATHER web-site (http://gather-statement.org/).