1. Department of Physics, The University of Texas at Dallas, 800 W. Campbell Road, SCI 10, Richardson, Texas 75080, United States
2. Department of Biochemistry and Molecular Biology, Simon Comprehensive Cancer Center, Indiana University School of Medicine, 980 W. Walnut Street, Walther Hall R3 C551, Indianapolis, Indiana 46202, United States
3. Department of Physics, University of Peradeniya, Peradeniya 20400, Sri Lanka
4. Department of Materials Science and Engineering, The University of Texas at Dallas, 800 W. Campbell Road, SCI 10, Richardson, Texas 75080, United States