W P Tormey1,2,3. 1. Department of Chemical Pathology, Beaumont Hospital, Dublin 9, Ireland. billtormey@gmail.com. 2. Biomedical Sciences, Ulster University, Coleraine, BT52 1SA, Northern Ireland, UK. billtormey@gmail.com. 3. Faculty of Science and Health, Athlone Institute of Technology, Athlone, Westmeath, Ireland. billtormey@gmail.com.