1. East Carolina University, Greenville, NC, USA,
2. University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
3. North Carolina Department of Health and Human Services, Raleigh, NC, USA
4. State Health Plan, Raleigh, NC, USA
5. University of North Carolina at Chapel Hill, Chapel Hill, NC, USA, North Carolina Community Care Networks, Inc, Raleigh, NC, USA