[1] Department of Civil Engineering, National Yang Ming Chiao Tung University, No. 1001, Daxue Rd. East Dist., Hsinchu City,300093, Taiwan
[2] wawaTEK Co., Ltd., 8 F.-5, No. 21, Ln. 59, Sec. 2, Zhongshan N. Rd., Zhongshan Dist, Taipei City,104011, Taiwan