1. King Mongkut's University of Technology North Bangkok,Faculty of Applied Science,Department of Applied Statistics,Bangkok,Thailand
2. King Mongkut's University of Technology North Bangkok,Faculty of Applied Science,Department of Mathematics,Bangkok,Thailand,10800
3. Thammasat University,Faculty of Science and Technology,Department of Mathematics and Statistics,Pathum Thani,Thailand
4. 3 Moo. 14 Tanon Nar Mueang,Khon Kaen,Thailand
5. School of Information and Communication, University of Phayao,Department of Computer Engineering,Phayao,Thailand,56000