[1] Univ Vavuniya, Fac Appl Sci, Dept Biosci, Vavuniya 43000, Sri Lanka
[2] Pusan Natl Univ, Dept Civil & Environm Engn, Busan 46241, South Korea
[3] Univ Technol Sydney, Fac Engn, POB 123, Broadway, NSW 2007, Australia
[4] Norwegian Univ Life Sci, Fac Sci & Technol RealTek, POB 5003, N-1432 As, Norway