Additional file 1: Text S1. of The geographical distribution and prevalence of Echinococcus multilocularis in animals in the European Union and adjacent countries: a systematic review and meta-analysis OksanenAntti Siles-LucasMar KaramonJacek PossentiAlessia ConrathsFranz RomigThomas WysockiPatrick MannocciAlice MipatriniDaniele TorreGiuseppe BoufanaBelgees CasulliAdriano 2016 Questionnaire. (PDF 65 kb)