1. Departments of Genetics and Medicine, University of North Carolina School of Medicine, Chapel Hill, NC 27599–7295, USA.
2. Lineberger Comprehensive Cancer Center, University of North Carolina School of Medicine, Chapel Hill, NC 27599–7295, USA.
3. G1 Therapeutics Inc., Research Triangle Park, NC 27709, USA.
4. PRA Health Sciences, P.O. Box 200, 9470 AE Zuidlaren, Netherlands.
5. Nuventra Pharma Sciences, Research Triangle Park, NC 27713, USA.