1 Department of Public Health (Drs. De Angelis, Reppuccia, Zizolfi, and Di Spiezio Sardo), University of Naples Federico II, Policlinico Federico II of Naples, Naples, Italy. Electronic address: m.chiaradeangelis88@gmail.com.
2 Department of Public Health (Drs. De Angelis, Reppuccia, Zizolfi, and Di Spiezio Sardo), University of Naples Federico II, Policlinico Federico II of Naples, Naples, Italy.
3 Department of Medical and Surgical Sciences for Mother, Child and Adult (Dr. Ambrosetti), University of Modena and Reggio Emilia, Azienda Ospedaliero Universitaria Policlinico, Modena, Italy.