1. Department of Industrial & Systems Engineering, University of Washington, Seattle, WA, USA
2. Department of Electrical & Computer Engineering, Texas A&M University, College Station, TX, USA
3. Department of Computer Science & Engineering, Texas A&M University, College Station, TX, USA
4. Department of Electrical & Computer Engineering, University of Texas at Austin, Austin, TX, USA
5. Department of Civil & Environmental Engineering, University of Washington, Seattle, WA, USA