Text and Data Mining valid from 2019-04-01
Received: 19 August 2018
Accepted: 9 September 2018
First Online: 24 April 2019
Ethics approval and consent to participate
: This study was approved by the Independent Ethics Committee of the University Hospital of Monserrato, University of Cagliari, Italy (Prot. N. Prot. PG/2017/8430). Written informed consent was obtained from the patients involved in the study.
: Not applicable.
: The authors declare that they have no competing interests.
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