1. Department of Epidemiology and Biostatistics, College of Human Medicine, Michigan State University, East Lansing, Michigan
2. Department of Anthropology, College of Social Science, Michigan State University, East Lansing, Michigan
3. College of Osteopathic Medicine, Michigan State University, East Lansing, Michigan
4. Veterans Affairs (VA) Center for Clinical Management Research, VA Ann Arbor Healthcare System, Ann Arbor, Michigan