1. Department of Cancer Control and Population Sciences, University of Puerto Rico Comprehensive Cancer Center, San Juan, Puerto Rico
2. Department of Health Services Administration, Graduate School of Public Health, University of Puerto Rico, Medical Science Campus, San Juan, Puerto Rico
3. Department of Epidemiology and Biostatistics, Graduate School of Public Health, University of Puerto Rico, Medical Sciences Campus, San Juan, Puerto Rico
4. Department of Behavioral Science, Markey Cancer Center, College of Medicine, University of Kentucky, Lexington, Kentucky, USA