1. Department of learning disability, Swansea Bay University Health Board, Swansea, Wales, UK
2. University of South Wales, Wales, UK
3. Cornwall Intellectual Disability Research (CIDER), Peninsula Schools of Medicine and Dentistry, University of Plymouth, England, UK
4. School of pharmacy, Trinity College, Dublin, Ireland
5. Department of developmental Neuropsychiatry, Cornwall Partnership NHS Foundation Trust, England UK