1. Rogel Comprehensive Cancer Center at the University of Michigan , Ann Arbor, MI, USA
2. Center for Clinical Management Research, Veterans Affairs Ann Arbor Healthcare System , Ann Arbor, MI, USA
3. GenesisCare, Farmington Hills , MI, USA
4. Henry Ford Hospital , Detroit, MI, USA
5. Karmanos Cancer Institute, Wayne State University , Detroit, MI, USA
6. Ascension Providence Hospital , Southfield, MI, USA