1 Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC 29425-8610, USA; Cancer Control and Prevention, Hollings Cancer Center Medical University of South Carolina, Medical University of South Carolina, Charleston, SC 29425-8610, USA. Electronic address: cummingk@musc.edu.
2 Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC 29425-8610, USA; Cancer Control and Prevention, Hollings Cancer Center Medical University of South Carolina, Medical University of South Carolina, Charleston, SC 29425-8610, USA.