1. Department of Electrical and Computer Engineering Texas A&M University College Station TX 77843 USA
2. Department of Materials Science and Engineering Texas A&M University College Station TX 77843 USA
3. Center for Remote Health Technologies and Systems Texas A&M University College Station TX 77843 USA
4. Center for Translational Environmental Health Research Texas A&M University Houston TX 77030 USA
5. Center for Nanoscale Systems Harvard University 11 Oxford Street Cambridge MA 02138 USA
6. Microphotonics Center Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge MA 02139 USA