1. Community Health Systems, School of Nursing, University of California, San Francisco, California, USA
2. Department of Psychology, University of Montana, Missoula, Montana, USA
3. Department of Psychology, University of Miami, Coral Gables, Florida, USA
4. Department of Psychiatry, School of Medicine, University of California, San Francisco, California, USA
5. Department of Medicine, School of Medicine, University of California, San Francisco, California, USA