Text and Data Mining valid from 2019-11-29
Received: 28 August 2019
Accepted: 14 November 2019
First Online: 29 November 2019
Ethics approval and consent to participate
: This study was approved by the local ethical committee, Comitato Etico di Area Vasta Nord-Ovest, University of Pisa, and conducted in full accordance with the principles of the Declaration of Helsinki. Samples were taken as part of the standard patient care, anonymized by the clinical personnel, and used anonymously by the Research personnel. According to the local ethical committee, for this type of study, formal consent to participate was not required (Prot. N. 32634).
: Not applicable.
: The authors declare that they have no competing interests.