1. Materials Science and Engineering (EJS, SWS, MNR, RRM, GLW) Paul M. Rady Department of Mechanical Engineering (EB, GLW) Electrical, Computer and Energy Engineering (RRM) University of Colorado Boulder 4001 Discovery Drive Boulder CO 80303 USA
2. Agricultural Research Service Water Management and Systems Research United States Department of Agriculture 2150 Centre Avenue Fort Collins CO 80526 USA
3. Electrical Engineering Division Department of Engineering University of Cambridge 9 JJ Thomson Ave Cambridge CB3 0FA UK