1. Department of Medical Social Sciences, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
2. Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, Illinois.
3. Booth School of Business Executive Education, The University of Chicago, Chicago, Illinois.
4. Department of Social Sciences and Health Policy, Wake Forest School of Medicine, Winston-Salem, North Carolina.
5. Wake Forest Baptist Comprehensive Cancer Center, Winston-Salem, North Carolina.