Zurlo, Maria Clelia http://orcid.org/0000-0003-0045-2800
Cattaneo Della Volta, Maria Francesca
Vallone, Federica
Article History
First Online: 30 August 2019
Compliance with Ethical Standards
:
: Maria Clelia Zurlo, Maria Francesca Cattaneo Della Volta and Federica Vallone declare that they have no conflict of interest.
: The study was approved by the Ethics Committee of the University where the study took place and research was performed in accordance with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Verbal informed consent was obtained from each patient prior to participating in the study.