1. University of California, Irvine, Irvine, CA, USA
2. Indiana University Bloomington, Bloomington, IN, USA
3. University of Zurich, Zurich, Switzerland
4. University of British Columbia, Vancouver, BC, Canada
5. Samsung Research America, San Jose, CA, USA
6. University of Bristol, Bristol, United Kingdom
7. Otago Polytechnic, Dunedin, New Zealand