Romani, Rossana http://orcid.org/0000-0002-6974-0918
Ryan, George
Benner, Christian
Pollock, Jonathan
Article History
Received: 6 November 2017
Accepted: 18 April 2018
First Online: 6 June 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures of this study 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. For this type of study, formal consent is not required.