Francesco Chirico1, Nicola Magnavita2. 1. Health Service Department, State Police, Ministry of Interior, Milan 20162 Italy; Department of Woman/Child and Public Health Sciences. Universita' Cattolica del Sacro Cuore, Rome, Italy. Electronic address: medlavchirico@gmail.com. 2. Department of Woman/Child and Public Health Sciences, Universita Cattolica del Sacro Cuore, Fondazione Policlinico Gemelli IRCCS, Rome, Italy.