1. Universitas Islam Riau,Department of Informatics Engineering,Pekanbaru,Indonesia,28284
2. School of Electronic Engineering, Queen Mary University of London,London,United Kingdom,E1 4NS
3. Universiti Teknologi Petronas,Department of Applied Mathematics,Perak,Malaysia,32610
4. School of Computing, Telkom University,Bandung,Indonesia,40257
5. Universiti Malaysia Pahang,Centre for Mathematics Sciences,Kuantan,Malaysia,26300