1. Aionics, Inc. 221 10 th Street Evanston WY 82930, USA
2. Department of Materials Science and Engineering Stanford University 496 Lomita Mall Stanford CA 94305, USA
3. Google Research Brain Team 1600 Amphitheater Pkwy. Mountain View CA 94043, USA
4. Chemical Sciences Division Oak Ridge National Laboratory 1 Bethel Valley Road Oak Ridge TN 37831, USA