**Author details**

Seong Shan Yap1, \*, Thian Khok Yong2 , Chen Hon Nee1 and Teck Yong Tou1

\*Address all correspondence to: seongshan@gmail.com

1 Faculty of Engineering, Multimedia University, Cyberjaya, Selangor, Malaysia

2 Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Bandar Sungai Long, Kajang, Selangor, Malaysia
