1. Computer Science, Stanford University, 6429 Stanford, California, United States, 94305-6104 (e-mail: rmartinmar@gmail.com)
2. Computer Science, Stanford University, 6429 Stanford, California, United States, 94305-6104 (e-mail: mihirp@stanford.edu)
3. School of Computer Science, The University of Adelaide, Adelaide, South Australia, Australia, 5005 (e-mail: hamid.rezatofighi@monash.edu)
4. Computer Science, Stanford University, 6429 Stanford, California, United States, 94305-6104 (e-mail: abhijeet.shenoi@gmail.com)
5. Compuer Science, Stanford University, 6429 Stanford, California, United States, 94305-6104 (e-mail: jgwak@stanford.edu)
6. Department of Computer Science, Stanford University, 6429 Stanford, California, United States, 85253 (e-mail: ericsf@stanford.edu)
7. Computer Science, Stanford University, Stanford, California, United States, 94305 (e-mail: amirabs@stanford.edu)
8. Computer Science, Stanford University, 6429 Stanford, California, United States, 94305 (e-mail: ssilvio@stanford.edu)