Vandell, A G
Lee, J
Shi, M
Rubets, I
Brown, K S
Walker, J R
Article History
Received: 24 February 2016
Revised: 1 July 2016
Accepted: 31 August 2016
First Online: 29 November 2016
Competing interests
: AG Vandell, J Lee and M Shi are employees of Daiichi Sankyo. K Brown and JR Walker were employees of Daiichi Sankyo at the time the study was conducted. I Rubets is an employee of Pharsight Consulting Services.