Cettolo, Valentina
Francescato, Maria Pia http://orcid.org/0000-0002-7892-863X
Article History
Received: 8 September 2017
Accepted: 7 March 2018
First Online: 15 March 2018
Compliance with ethical standards
:
: Valentina Cettolo and Maria Pia Francescato had no competing interests.