1. APC Microbiome Ireland, Biosciences Building, University College Cork, Cork, Ireland
2. Department of Psychiatry & Neurobehavioural Science, University College Cork, Cork, Ireland
3. Current affiliation: ADAPT Centre, Trinity College, Dublin, Ireland
4. Current affiliation: Department of Pharmacology & Therapeutics, University College Cork, Cork, Ireland
5. Department of Anatomy & Neuroscience, University College Cork, Cork, Ireland
6. Centre for Gerontology & Rehabilitation, University College Cork, Cork, Ireland
7. School of Public Health, University College Cork, Cork, Ireland
8. Clinical Sciences Institute, National University of Ireland Galway, Galway City, Ireland