1. Department of Chemical Engineering, University of Patras and FORTH-ICE/HT, GR-26504 Patras, Greece
2. School of Science/Technology, Natural Sciences, Hellenic Open University, GR-26335 Patras, Greece
3. Institute of Nanoscience and Nanotechnology, Molecular Thermodynamics and Modelling of Materials Laboratory, National Center for Scientific Research “Demokritos”, GR-15310 Agia Paraskevi Attikis, Greece
4. Particle Technology Laboratory, Department of Mechanical and Process Engineering, ETH Zürich, CH-8092 Zürich, Switzerland