RT Journal Article SR Electronic(1) A1 Mantzios, G A1 Mastora, M A1 Liapis, E A1 Giannakakis, I A1 Akritidis, N K YR T1 JF VO OP UL https://www.eurosurveillance.org/content/10.2807/esm.02.07.00184-fr