1 Clinica Medica "A. Murri", Department of Biomedical Sciences & Human Oncology, University of Bari Medical School, Bari, Italy. piero.portincasa@uniba.it.
2 Department of Soil, Plant and Food Sciences, University of Bari Aldo Moro, Bari, Italy.
3 Section of Hygiene, Department of Biomedical Science and Human Oncology, University of Bari Medical School, Bari, Italy.