1. Chemical Process & Energy Resources Institute (CPERI), Centre for Research & Technology Hellas (CERTH), Thermi-Thessaloniki, Greece
2. Environmental Research Laboratory, National Center for Scientific Research “Demokritos”, Aghia Paraskevi Attikis, Greece
3. OFM Research Southwest, Santa Fe, NM, USA
4. Center for Water & the Environment, University of New Mexico, Albuquerque, NM, USA