1 Immune Response & Vascular Disease Unit, CEDOC, NOVA Medical School/Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Lisboa, Portugal; Dumfries & Galloway Royal Infirmary, Dumfries, UK; Multimedica SRL, Naples, Italy. Electronic address: paul.ames@nhs.net.
2 Immune Response & Vascular Disease Unit, CEDOC, NOVA Medical School/Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Lisboa, Portugal.
3 Department of Medicine & Health Sciences, Universita' del Molise, Campobasso, Italy.