1. University of Arizona, Steward Observatory, Department of Astronomy, Tucson, Arizona, United States
2. Columbia University, Department of Astronomy, New York, New York, United States
3. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, United States
4. Rutgers University, Department of Physics and Astronomy, Piscataway, New Jersey, United States
5. Queen Mary University of London, School of Physics and Astronomy, Astronomy Unit, London, United Kingdom
6. University of Iowa, Department of Physics and Astronomy, Iowa City, Iowa, United States
7. University of Maryland College Park, College Park, Maryland, United States
8. University of California, Santa Cruz, Santa Cruz, California, United States
9. University of Arizona, Lunar and Planetary Laboratory, Tucson, Arizona, United States
10. Paris Observatory, Paris, France
11. Australian National University, Canberra, Australian Capital Territory, Australia
12. Korea Astronomical and Space Sciences Institute, Daejeon, Republic of Korea
13. University of Cologne, I. Physical Institute, Cologne, Germany
14. Tel Aviv University, Tel Aviv, Israel