1. Department of Electronics and Electrical Engineering, Indian Institute of Technology Guwahati, Guwahati, India
2. Department of Computer Science and Engineering, Indian Institute of Technology Guwahati, Guwahati, India
3. Department of Computer Science, Chubu University, Kasugai, Japan
4. Higher Educational Key Laboratory for Measuring and Control Technology and Instrumentations of Heilongjiang, Harbin University of Science and Technology, Harbin, China
5. Department of Gastroenterology, Aichi Medical University, Nagakute, Japan