1. Department of Psychology, University of Houston, Houston, TX 77204, USA
2. Department of Behavioral Science, University of Texas MD Anderson Cancer Center, Houston, TX, USA
3. Department of Psychology, Bioscience Research Collaborative, Rice University, Houston, TX, USA
4. Department of Symptom Research, University of Texas MD Anderson Cancer Center, Houston, TX, USA
5. Menninger Department of Psychiatry, Baylor College of Medicine, Houston, TX, USA