1. Research Centre for Atmospheric Physics and Climatology, Academy of Athens, 10680 Athens, Greece
2. Laboratory of Atmospheric Physics, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
3. Institute for Environmental Research and Sustainable Development, National Observatory of Athens, 15236 Athens, Greece
4. Environmental Radioactivity & Aerosol Technology for Atmospheric and Climate Impact Laboratory, Institute of Nuclear & Radiological Sciences & Technology, Energy & Safety, N.C.S.R. “Demokritos”, 15310 Athens, Greece
5. AXON Enviro-Group Ltd., 11257 Athens, Greece