Litchfield, Kevin
Thomsen, Hauke
Mitchell, Jonathan S.
Sundquist, Jan
Houlston, Richard S
Hemminki, Kari
Turnbull, Clare
Article History
Received: 8 April 2015
Accepted: 7 August 2015
First Online: 9 September 2015
Competing interests
: The authors declare no competing financial interests.