Rice, A E
Latchman, Y E
Balint, J P
Lee, J H
Gabitzsch, E S
Jones, F R
Article History
Received: 17 June 2015
Accepted: 5 August 2015
First Online: 4 September 2015
Competing interests
: AER, YL, JPB, ESG and FRJ are employees of Etubics and have equity and/or stock options in the company. JHL is a member of the Etubics Scientific Advisory Board and has stock options in the company.