Winsborrow, Monica
Andreassen, Karin
Hubbard, Alun
Plaza-Faverola, Andreia
Gudlaugsson, Eythor
Patton, Henry
Article History
Received: 27 August 2015
Accepted: 10 March 2016
First Online: 11 April 2016
Competing interests
: The authors declare no competing financial interests.