Text and Data Mining valid from 2018-02-02
Received: 6 June 2017
Accepted: 4 January 2018
First Online: 2 February 2018
: J.W.H. is a Senior Scientist at Alexion Pharmaceuticals. This work was supported, in part, by a sponsored research agreement between Alexion Pharmaceuticals and the senior author. The remaining authors declare no competing financial interests.