1. Georgetown University - Oncology; Washington, DC USA
2. Department of Psychology; University of Waterloo; Waterloo Ontario Canada
3. Department of Psychiatry and Behavioral Sciences; Medical University of South Carolina; Charleston SC USA
4. Cancer Council Victoria-Centre for Behavioural Research in Cancer; Victoria Australia
5. Schroeder Institute for Tobacco Research and Policy Studies at Truth Initiative; Washington DC USA
6. Johns Hopkins University Bloomberg School of Public Health Ringgold standard institution-Health, Behavior and Society; Baltimore MD USA
7. Georgetown Lombardi Comprehensive Cancer Center Ringgold standard institution-Oncology; Washington DC USA