1. School of Water, Energy and Environment, Cranfield University, Cranfield, Bedfordshire MK43 0AL, U.K.
2. London South Bank University, London SE1 0AA, U.K.
3. Shiv Nadar University, Gautam Budh Nagar, Greater Noida 201314, India
4. Indian Institute of Technology Guwahati, Guwahati 781039, India
5. University of Petroleum and Energy Studies, Dehradun 248007, India