1. Cancer Prevention and Control Program, University of South Carolina, Columbia, South Carolina, USA
2. Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, South Carolina, USA
3. Connecting Health Innovations LLC, Columbia, South Carolina, USA
4. Department of Family and Preventive Medicine, University of South Carolina School of Medicine, Columbia, South Carolina, USA
5. Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Milan, Italy
6. Unit of Medical Statistics, Biometry and Bioinformatics, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
7. Unit of Epidemiology, ‘Fondazione G. Pascale’, Istituto Nazionale dei Tumori, Naples, Italy
8. Unit of Cancer Epidemiology, CRO Aviano National Cancer Institute, Aviano (PN), Italy