1. Manning College of Information and Computer Sciences, University of Massachusetts Amherst , Amherst, Massachusetts, USA
2. National Center on Homelessness among Veterans, U.S. Department of Veterans Affairs Homeless Programs Office , Washington, District of Columbia, USA
3. School of Public Health, University of Texas Health Science Center at Houston , Houston, Texas, USA
4. Department of Psychiatry, Yale University School of Medicine , New Haven, Connecticut, USA
5. Department of Medicine, University of Massachusetts Medical School , Worcester, Massachusetts, USA
6. Center for Biomedical and Health Research in Data Sciences, Miner School of Computer and Information Sciences, University of Massachusetts Lowell , Lowell, Massachusetts, USA
7. Center for Healthcare Organization and Implementation Research, VA Bedford Health Care , Bedford, Massachusetts, USA