1. Assistant Professor, Dept. Electronics, Information, and Bioengineering, Politecnico di Milano, P.za Leonardo da Vinci, 32, 20133 Milano, Italy; and Adjunct Professor, Centre for Water Research, Univ. of Western Australia, Crawley 6009, Australia (corresponding author).
2. Associate Professor, Dept. Management of Social Systems and Civil Engineering, Tottori Univ., Koyama, Tottori 680-8552, Japan; and Adjunct Senior Research Fellow, Centre for Water Research, Univ. of Western Australia, Crawley 6009, Australia.
3. Ph.D. Student, Dept. Electronics, Information, and Bioengineering, Politecnico di Milano, P.za Leonardo da Vinci, 32, 20133 Milano, Italy.
4. Professor, Dept. Electronics, Information, and Bioengineering, Politecnico di Milano, P.za Leonardo da Vinci, 32, 20133 Milano, Italy.
5. Research Associate, Dept. Electronics, Information, and Bioengineering, Politecnico di Milano, P.za Leonardo da Vinci, 32, 20133 Milano, Italy.