Funding for this research was provided by:
National Cancer Institute (P30CA042014, P01-CA073992, R01-CA040641)
Text and Data Mining valid from 2019-06-25
Received: 7 March 2019
Accepted: 3 June 2019
First Online: 25 June 2019
Compliance with ethical standards
: NJS is a consultant for Cook Medical, Cancer Prevention Pharmaceuticals and Janssen Research and Development. No other authors have a conflict of interest to disclose.