1. Consiglio Nazionale delle Ricerche–Istituto di Ricerca Genetica e Biomedica (CNR‐IRGB), Milan Unit Milan Italy
2. Humanitas Clinical and Research Center–Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Rozzano Italy
3. Department of PathologyWest Virginia University Morgantown WV USA
4. Unit of Advanced Optical MicroscopyHumanitas Clinical and Research Center–Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Rozzano Italy
5. Department of Oral Biology, Department of Bioengineering, McGowan Institute of Regenerative MedicineUniversity of Pittsburgh Pittsburgh PA USA
6. Department of Molecular Medicine, Unit of BiochemistryUniversity of Pavia Pavia Italy
7. Clinical Investigation LaboratoryHumanitas Clinical and Research Center–Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Rozzano Italy
8. Veterans’ Affairs Medical Center and Department of PathologyUniversity of Pittsburgh Pittsburgh PA USA