1. Curtis W. and Ann H. Long Department of Family and Community Medicine, University of Missouri, Columbia, MO, USA,
2. School of Nursing & Biomedical and Health Informatics, School of Medicine, University of Washington, Seattle, WA, USA
3. Department of Communication Studies, University of North Texas, Denton TX, USA
4. School of Nursing, Midwifery and Physiotherapy, University of Nottingham, Nottingham, UK