1Department of Cardiovascular, Endocrine-metabolic Diseases and Aging, Istituto Superiore di Sanità, Rome, Italy
2Service of Statistics, Istituto Superiore di Sanità, Rome, Italy
3National Centre for Drug Research and Evaluation, Istituto Superiore di Sanità, Rome, Italy
4Italian Medicines Agency, Rome, Italy
5Neuroscience Institute, Aging Branch, CNR, Padua, Italy