Text and Data Mining valid from 2018-10-18
Received: 8 June 2018
Revised: 22 August 2018
Accepted: 3 October 2018
First Online: 18 October 2018
: A.D.P. volunteers as a member of the Medical Advisory Council for MAW America. A.D.P. wrote the first draft of this manuscript. The other authors declare no competing interests.