1. i.Med-UL, Faculdade de Farmácia, Universidade de Lisboa, Avenida D. Forças Armadas, 1600-083 Lisboa, Portugal, Department of Medical Microbiology and Immunobiology, University of Szeged, H-6720, Szeged, Hungary, and Instituto Superior Politécnico de Gaza (ISPG), Chokwe, Mozambique