1. Department of Public Health Sciences, University of Virginia, School of Medicine, Christiansburg, VA 24073, USA
2. Department of Preventive Medicine, The University of Tennessee Health Science Center, Memphis, TN 38105, USA
3. Health System West Complex MSB, University of Virginia Cancer Center, Charlottesville, VA 22903, USA
4. Department of Social Work, The University of Texas at San Antonio, San Antonio, TX 78207, USA
5. Department of Public Health Sciences & Center for Addiction and Prevention Research, University of Virginia, School of Medicine, JBSA-Lackland, TX 78236, USA
6. Department of Public Health Sciences, University of Virginia, School of Medicine, Charlottesville, VA 29903, USA