1. a Patient Support Program, Moran Eye Center , University of Utah , USA
2. b Health Education Department , University of Utah , Salt Lake City , UT , 84112 , USA
3. c Health Education Department , University of Utah , USA
4. d Department of Family and Preventive Medicine , University of Utah , USA
5. e Center for Community Health , University of Southern Mississippi , USA
6. f Graduate School of Social Work , University of Utah , USA