1. Department of Communication Arts, University of Wisconsin-Madison, Madison, Wisconsin, USA.
2. School of Media and Strategic Communications, Oklahoma State University, Stillwater, Oklahoma, USA.
3. School of Rehabilitation Science, McMaster University, Hamilton, Ontario, Canada.
4. Department of Hearing and Speech Sciences, Vanderbilt University Medical Center, Nashville, Tennessee, USA.
5. Division of General Internal Medicine and Public Health, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA.
6. Center for Health Behavior and Health Education, Vanderbilt University Medical Center, Nashville, Tennessee, USA.
7. Department of Computer Sciences, University of Wisconsin-Madison, Madison, Wisconsin, USA.