1. Marquette University,Ubicomp Lab,Department of Computer Science,Milwaukee,WI,USA
2. College of Health Sciences, University of Wisconsin-Milwaukee,Milwaukee,Wisconsin,USA
3. School of Information Studies, University of Wisconsin-Milwaukee,Milwaukee,Wisconsin,USA
4. Medical College of Wisconsin,Department of Medicine,Wauwatosa,Wisconsin,USA
5. College of Nursing, University of Wisconsin-Milwaukee,Milwaukee,Wisconsin,USA