1. California Institute of Technology, Graduate Aerospace Laboratories, 1200 East California Boulevard, Pasadena, California 91125, United States
2. Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, California 91109, United States
3. California Institute of Technology, Department of Mechanical and Civil Engineering, 1200 East California Boulevard, Pasadena, California 91125, United States