Dakanalis, Antonios http://orcid.org/0000-0002-2328-3862
Clerici, Massimo
Riva, Giuseppe
CarrĂ , Giuseppe
Article History
Received: 17 July 2016
Accepted: 12 September 2016
First Online: 21 September 2016
Compliance with ethical standards
:
: This research received no specific grant from any funding agency, commercial or not for-profit sectors and the authors declare that they have no conflicts of interest.
: The study was performed in compliance with the Helsinki Declaration of 1975, as revised in 2008, and the study protocol was approved by the ethics review board of each local institution (recruitment/participating site) and of the co-ordinating body of the project (University of Pavia).
: All participants provided written informed consent.