Funding for this research was provided by:
Received: 5 July 2018
Accepted: 26 November 2018
First Online: 6 December 2018
Compliance with ethical standards
: Plexxikon provided PLX9486 and financial support for the study. EAB, BM, GH, JL, MN, GW, CZ and GB are employees of Plexxikon Inc. PS received institutional support from Plexxikon for advisory/consultancy, research funding and travel/accommodation/expenses.