Funding for this research was provided by:
Ministero della Salute
National Institute of Environmental Health Sciences (R01ES019222, R56ES019222)
Received: 8 February 2019
Accepted: 10 July 2019
First Online: 19 July 2019
Ethics approval and consent to participate
: This study obtained the approval of the Ethical Committee of Local Public Health (ASL, Azienda Sanitaria Locale) of Brindisi, with the jurisdiction on Taranto province.
: Not applicable.
: The authors declare that they have no competing interests.