RT Journal Article SR Electronic(1) A1 Vera, I A1 GarcĂ­a-Comas, L A1 Ordobas, M A1 Gutierrez, A A1 Sanz, J C A1 Barranco, D YR T1 JF VO OP UL https://www.eurosurveillance.org/content/10.2807/esm.12.09.00731-fr