1. Biostatistical Centre; Italian National Research Centre on Aging; Ancona Italy
2. Diabetic Unit of Italian National Research Centre on Aging Hospital; Italian National Research Centre on Aging; Ancona Italy
3. Unit of Geriatric Pharmacoepidemiology; Research Hospital of Cosenza; Italian National Research Centre on Aging; Cosenza Italy
4. Scientific Direction; Italian National Research Centre on Aging; Ancona Italy
5. Department of Medical; Surgical, Neurological, Metabolic and Geriatric Sciences; Second University of Naples; Naples Italy