Eurosurveillance, 2018, 23(4), pii=16-00825.
Judit Plutzer, Brian Lassen, Pikka Jokelainen, Olgica Djurković-Djaković, István Kucsera, Elisabeth Dorbek-Kolin, Barbara Šoba, Tamás Sréter, Kálmán Imre, Jasmin Omeragić, Aleksandra Nikolić, Branko Bobić, Tatjana Živičnjak, Snježana Lučinger, Lorena Lazarić Stefanović, Jasmina Kučinar, Jacek Sroka, Gunita Deksne, Dace Keidāne, Martin Kváč, Zuzana Hůzová, Panagiotis Karanis
http://www.eurosurveillance.org/content/10.2807/1560-7917.ES.2018.23.4.16-00825