1. Department of Psychology University of California, Los Angeles California USA
2. School of Psychological Sciences and Monash Institute of Cognitive and Clinical Neurosciences Monash University Melbourne Victoria Australia
3. Department of Psychiatry University of Arizona Tucson Arizona USA
4. University of Arizona Cancer Center Tucson Arizona USA
5. Department of Psychiatry and Biobehavioral Sciences University of California, Los Angeles California USA
6. Center for Cancer Prevention and Control Research Jonsson Comprehensive Cancer Center University of California, Los Angeles California USA