1. Alimentary Pharmabiotic Centre Microbiome Ireland, University College Cork, Cork T12YT20, Ireland
2. Department of Anatomy and Neuroscience, University College Cork, Cork T12YT20, Ireland
3. Department of Psychiatry and Neurobehavioural Science, University College Cork, Cork T12YT20, Ireland
4. School of Microbiology, University College Cork, Cork T12K8AF, Ireland
5. Department of Psychiatry, Psychosomatics and Psychotherapy, University Hospital Frankfurt, Frankfurt 60528, Germany