1. Department of Informatics, Donald Bren School of Information and Computer Sciences, University of California, Irvine, California, USA
2. Center for Wireless and Population Health Systems, Calit2, University of California, San Diego, California, USA
3. Department of Psychiatry, School of Medicine, University of California, San Diego, California, USA
4. Department of Family Medicine and Public Health, School of Medicine, University of California, San Diego, California, USA
5. Louise M. Darling Biomedical Library, University of California, Los Angeles, California, USA
6. Department of Psychology, University of California, San Diego, California, USA
7. Information Technology Center, Montana State University, Bozeman, Montana, USA