1. Macular Pigment Research Group, Department of Chemical and Life Sciences, Waterford Institute of Technology, Waterford, Ireland
2. Howard Foundation, Cambridge, UK
3. Downing College, University of Cambridge, Cambridge, UK
4. University Hospital Waterford, Age-Related Care Unit, Waterford, Ireland
5. Mercer's Institute for Successful Ageing, St. James's Hospital, Dublin, Ireland
6. Northern Ireland, Centre for Food and Health (NICHE), University of Ulster, Coleraine, UK