1. School of Information Science, College of Communication and Information, University of Kentucky , Lexington, KY 40506, United States
2. Center for Smart Health, School of Nursing, The Hong Kong Polytechnic University , Hong Kong, China
3. Department of Health and Community Systems, Health and Community Systems, School of Nursing, University of Pittsburgh , Pittsburgh, PA 15261, United States
4. School of Computing and Information, University of Pittsburgh , Pittsburgh, PA 15213, United States
5. Department of Biomedical Informatics, University of Pittsburgh , Pittsburgh, PA 15206, United States