1. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, United States
2. IPAC, Pasadena, California, United States
3. Columbia University, New York, New York, United States
4. American Museum of Natural History, New York, New York, United States
5. California Institute of Technology, Pasadena, California, United States
6. George Mason University, Fairfax, Virginia, United States