1. Graduate Entry Medical School, University of Limerick, Limerick, Ireland;
2. Cognitive Impairment Research Group, Centre for Interventions in Infection, Inflammation & Immunity (4i), Graduate Entry Medical School, University of Limerick, Limerick, Ireland;
3. Department of Psychiatry, University Hospital Limerick, Limerick, Ireland;
4. Department of General Practice, School of Medicine, University College Dublin, Dublin, Ireland;
5. Sligo Mental Health Services, Sligo, Ireland