Funding for this research was provided by:
Metropolitan Area of Turin (resolution n. 409-18423/2014 of 06/06/2014)
Received: 1 October 2018
Accepted: 12 April 2019
First Online: 2 May 2019
Ethics approval and consent to participate
: All procedures were in accordance with the Italian ethical standards and the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. SPoTT received approval from the relevant local ethical committee (San Luigi Gonzaga Hospital, Orbassano, Italy – Procedure n. 25/2013). All participants signed a written informed consent to take part in the study under the specified conditions.
: Not applicable.
: The authors declare that they have no competing interests.
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