1. Department of Mathematics, Faculty of Science, University of Peradeniya, Peradeniya, Sri Lanka
2. Department of Engineering, Faculty of Natural, Mathematical and Engineering Sciences, Kings College London, London, UK
3. Postgraduate Institute of Science, University of Peradeniya, Peradeniya, Sri Lanka
4. Foundation for Environment Climate and Technology, Rajawella, Sri Lanka
5. Kedge Business School, Talence, France