1. School of Social Work, University of Washington, Seattle, Washington, USA
2. Paul Allen School of Computer Science & Engineering, University of Washington, Seattle, Washington, USA
3. Department of Psychology, University of Washington, Seattle, Washington, USA
4. Grainger College of Engineering Computer Science, Santa Clara University, Santa Clara, California, USA
5. Department of Electrical & Computer Engineering, University of Washington, Seattle, WashingtonUSA
6. Information School, University of Washington, Seattle, Washington, USA