1. The University of Texas Health Science Center at Houston School of Public Health, Houston, TX, USA
2. Center for Innovations in Quality Effectiveness and Safety, Michael E. DeBakey VA Medical Center, United States Department of Veterans Affairs, Houston, TX, USA
3. National Center on Homelessness among Veterans, United States Department of Veterans Affairs, Tampa, FL, USA
4. Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA
5. Albert Schweitzer Fellowship of Houston Galveston at the John P. McGovern, MD, Center for Humanities & Ethics, The University of Texas Health Science Center Houston McGovern Medical School, Houston, TX, USA
6. Biometrics Department, Allucent, Houston, TX, USA