1 Department of Basic Medical Sciences, Neurosciences and Sensory Organs, Section of Human Anatomy and Histology, University of Bari Medica lSchool, Bari, Italy.
2 Department of Basic Medical Sciences, Neurosciences and Sensory Organs, Section of Physiology, University of Bari Medical School, Bari, Italy.
3 Department of Emergency and Transplantation, Section of Hematology, University of Bari Medical School, Bari, Italy.
4 Department of Bioscience, Biotechnology and Pharmacologica lSciences, Section of Pharmacology, University of Bari, Italy.
5 Department of Internal Medicine and Oncology, University of Bari Medica lSchool, Bari, Italy.
6 Department of Basic Medical Sciences, Neurosciences and Sensory Organs, Section of Human Anatomy and Histology, University of Bari Medica lSchool, Bari, Italy; National Cancer Institute "Giovanni PaoloII", Bari, Italy. Electronic address: domenico.ribatti@uniba.it.
7 Department of Basic Medical Sciences, Neurosciences and Sensory Organs, Section of Human Anatomy and Histology, University of Bari Medica lSchool, Bari, Italy. Electronic address: beatrice.nico@uniba.it.