1. College of Nursing Michigan State University East Lansing Michigan USA
2. Department of Statistics and Probability Michigan State University East Lansing Michigan USA
3. Department of Epidemiology and Biostatistics Michigan State University East Lansing Michigan USA
4. Feinberg School of Medicine Northwestern University Evanston Illinois USA
5. University of Arizona College of Nursing Tucson Arizona USA
6. Department of Psychiatry Michigan State University East Lansing Michigan USA