1. Department of Epidemiology, Milken Institute School of Public Health, George Washington University, Washington, DC
2. Department of Clinical Research and Leadership, School of Medicine and Health Sciences, George Washington University, Washington, DC
3. Department of Acute and Chronic Care, School of Nursing, George Washington University, Washington, DC
4. Department of Biostatistics and Bioinformatics, Milken Institute School of Public Health, George Washington University, Washington, DC
5. Department of Epidemiology and Biostatistics, University of California, San Francisco