Author Affiliations +
V. Hovhannisyan,1 A. Hovhannisyan,2 V. Ghukasyan,3 H. W. Guo,4 Hung-Ming Lin,4 S. J. Chen,1 Yang-Fang Chen,4 Chen-Yuan Dong4
1National Chiao Tung Univ. (Taiwan)
2European Regional Education Academy (Armenia)
3The Univ. of North Carolina at Chapel Hill (United States)
4National Taiwan Univ. (Taiwan)