Maria Pisu1,2, Michelle Y Martin3. 1. Division of Preventive Medicine, University of Alabama at Birmingham, Birmingham, AL, USA. mpisu@uab.edu. 2. O'Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL, USA. mpisu@uab.edu. 3. Center for Innovation in Health Equity Research, Department of Preventive Medicine, University of Tennessee Health Science Center, Memphis, TN, USA.