Received: 9 October 2017
Accepted: 1 March 2018
First Online: 9 March 2018
Ethics approval and consent to participate
: The study was approved by the Arcispedale Santa Maria Nuova ProvincialEthics Committee of Reggio Emilia (Protocol n. 2016/0028509, November, 30th, 2016).Written informed consent was obtained from the participants for collecting and analysing data before the interview.
: Not applicable.
: The authors declare that they have no competing interests.
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