1. Institute of Infection, Immunity and Inflammation, University of Glasgow, 120 University Place, Glasgow G12 8TA, UK
2. First Department of Propaedeutic Internal Medicine, “Laiko” General Hospital, National and Kapodistrian University of Athens, Athens, Greece
3. Department of Pathophysiology, General Hospital of Athens “Laiko”, and Medical School, National and Kapodistrian University of Athens, Greece