1. School of Medicine and Dentistry, Faculty of Clinical and Biomedical Sciences, University of Central Lancashire, Fylde Rd, Preston PR1 2HE, UK
2. Department of Clinical Sciences, Saint James School of Medicine, Park Ridge, IL 60068, USA
3. American University of the Caribbean School of Medicine, 1 University Drive, Jordan Road, Cupecoy, St Marteen, The Netherlands
4. Salerno, Secondary School, Threadneedle Road, H91 D9H3 Galway, Ireland
5. Division of Infectology, 1st Department of Internal Medicine, University of Pecs, Clinical Centre, 7623 Pécs, Hungary