Article History
First Online: 30 July 2018
Competing interests
: J.M.L. is a consultant to Bayer HealthCare, Bristol-Myers Squibb (BMS), Celsion, Eisai, Eli Lilly, Exelixis, and Ipsen and has active research funding from Bayer HealthCare, BMS, and Eisai. R.S.F. is a consultant to Bayer HealthCare, BMS, Eisai, Eli Lilly, Merck, Pfizer, and Roche. R.M. and D.S. declare no competing interests.