Ligabue, M. B.
Campanini, I. http://orcid.org/0000-0002-9286-6711
Veroni, P.
Cepelli, A.
Lusuardi, M.
Merlo, A.
Article History
Received: 20 November 2018
Accepted: 11 January 2019
First Online: 2 February 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed during studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and comply to the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This study was approved by the local Ethics Committee (2017/0123714). All women signed an informed consent to data treatment.