1. College of Nursing, University of Iowa, Iowa City, IA, USA
2. Communication Sciences & Disorders, University of Iowa, Iowa City, IA, USA
3. Department of Nursing Science, Sun Moon University, Asan, Chungcheongnam-do, South Korea
4. Office for Nursing Research and Scholarship, The University of Iowa College of Nursing, Iowa City, IA, USA
5. Information Technology Services, University of Iowa, Iowa City, IA, USA
6. Department of Psychology, University of Iowa, Iowa City, IA, USA