Funding for this research was provided by:
Italian Ministry of Foreign Affairs and International Cooperation (AID 011330)
Received: 14 March 2018
Accepted: 10 September 2018
First Online: 18 October 2018
Ethics approval and consent to participate
: The study did not require informed consent as collected data consisted of routine health data and medical records were encrypted and anonymous and did not contain any information that might be used to identify individual patients.
: Not applicable
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.