1. Morton K. Blaustein Department of Earth and Planetary Sciences; The Johns Hopkins University; Baltimore MD USA
2. Aeolis Research; Pasadena CA USA
3. Department of Earth and Planetary Sciences; Harvard University; Cambridge MA USA
4. Cornell Center for Astrophysics and Planetary Science; Cornell University; Ithaca NY USA
5. Applied Physics Laboratory; The Johns Hopkins University; Laurel MD USA
6. Deceased April 26, 2017