Niksic, Maja
Rachet, Bernard
Duffy, Stephen W
Quaresma, Manuela
Møller, Henrik
Forbes, Lindsay JL
Article History
Received: 18 November 2015
Revised: 13 July 2016
Accepted: 17 July 2016
First Online: 18 August 2016
Competing interests
: The authors declare no conflict of interest.