1. School of Medicine, Trinity College Dublin, Dublin 2, Ireland
2. Centre for Ageing, Neuroscience and the Humanities, Tallaght Hospital, Dublin 24, Ireland
3. Department of Medical Gerontology, School of Medicine, Trinity College Dublin, Dublin 2, Ireland
4. John Sterne Medical Library, Trinity Centre for Health Sciences, St James’s Hospital Dublin, Dublin, Ireland
5. Department of Endocrinology, Tallaght Hospital, Dublin 24, Ireland