1. Department of Biology, University of Pisa, Pisa, Italy.
2. Endocrine Unit, Department of Clinical and Experimental Medicine, University Hospital of Cisanello, Pisa, Italy.
3. IFOM, The FIRC Institute of Molecular Oncology, Milano, Italy.
4. Department of Translational Research and New Technologies in Medicine and Surgery, Hospital of Cisanello, Pisa, Italy.
5. Operative Unit of Laboratory of Clinical Chemistry Analyses, University Hospital of Cisanello, Pisa, Italy.