1. Annenberg School for Communication, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
2. Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
3. College of Nursing and Health Professions, Drexel University, Philadelphia, Pennsylvania, USA.
4. Department of Communication and University of California, Davis, Davis, California, USA.
5. Department of Public Health Sciences, University of California, Davis, Davis, California, USA.
6. School of Social Work, College of Public Health, Temple University, Philadelphia, Pennsylvania, USA.
7. Centre for Communication Technologies, School of Information Technology, Nelson Mandela University, Port Elizabeth, South Africa.
8. School of Nursing, Rutgers University, Camden, New Jersey, USA.
9. Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
10. Department of Epidemiology and Biostatistics, Dornsife School of Public Health, Drexel University, Philadelphia, Pennsylvania, USA.