1Exponent, Inc., 3440 Market Street, Suite 600, Philadelphia, PA 19104, USA
2Exponent, Inc., 149 Commonwealth Dr., Menlo Park, CA, 94025, USA
3Scheie Eye Institute, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
4Google, 1600 Amphitheatre Parkway, Mountain View, CA 94043, USA
5Google[X], 100 Mayfield Ave., Mountain View, CA 94043, USA