1. Klein Buendel, Inc, Lakewood, CA, USA
2. School of Public Affairs, University of Colorado Denver, Denver, CO, USA
3. School of Communication, San Diego State University, San Diego, CA, USA
4. Mikonics, Inc, Santa Fe, NM, USA
5. Kaiser Permanente, Center for Health Research, Portland, OR, USA
6. Department of Biostatistics, School of Public Health, University of Alabama at Birmingham, Birmingham, AL, USA