Funding for this research was provided by:
Fondazione Cassa di Risparmio di Pistoia e Pescia (Bando 2013 - Prot. n. 2013.0175/ep)
Text and Data Mining valid from 2019-11-08
First Online: 8 November 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.
: This study was supported in part by a grant named "Bando 2013" of the foundation "Fondazione Cassa Di Risparmio di Pistoia e Pescia" (Prot. n. 2013.0175/ep).