Paul R J Ames1,2, Susan Jeffrey3. 1. Dumfries & Galloway Royal Infirmary, Dumfries, UK. Paxmes@aol.com. 2. Immune Response & Vascular Disease Unit, Nova University Lisbon, Lisbon, Portugal. Paxmes@aol.com. 3. Dumfries & Galloway Royal Infirmary, Dumfries, UK.