Thompson, Luke R
Williams, Gareth J
Haroon, Mohamed F
Shibl, Ahmed
Larsen, Peter
Shorenstein, Joshua
Knight, Rob
Stingl, Ulrich
Article History
Received: 9 March 2016
Revised: 8 June 2016
Accepted: 12 June 2016
First Online: 15 July 2016
Competing interests
: The authors declare no conflict of interest.