EpistemonikosThe main aim of Epistemonikos is to identify all of the systematic reviews relevant for health decision-making. Epistemonikos is a collaborative, multilingual database of health evidence. It is the largest source of systematic reviews relevant for health-decision making, and a large source of other types of scientific evidence. The identification of other types of evidence has not been completed yet, so Epistemonikos database should not be considered a comprehensive database of broad synthesis, primary studies or structured summaries (see definitions below).