Herd, Pamela http://orcid.org/0000-0002-0137-5846
Palloni, Alberto
Rey, Federico http://orcid.org/0000-0002-0239-7780
Dowd, Jennifer B.
Article History
Received: 7 March 2018
Accepted: 12 September 2018
First Online: 22 October 2018
Competing interests
: The authors declare no competing interests.