1. Department of Mechanical Engineering; Stanford University; 400 Escondido Mall Stanford CA 94305 USA
2. Analog Devices, Inc.; 3550 N 1st St San Jose CA 95134 USA
3. Analog Devices, Inc.; 804 Woburn St Wilmington MA 01887 USA
4. Department of Electrical and Computer Engineering; Northeastern University; 360 Huntington Ave, 409 Dana Boston MA 02115 USA