1. Department of Mathematics, Anand International College of Engineering, Jaipur, India.
2. Department of Applied Mathematics, Xi'an Jiaotong-Liverpool University, Suzhou, China.
3. Department of Electrical Engineering, Institute of Engineering, Polytechnic of Porto, Porto, Portugal.
4. Department of Dental Public Health, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran.