1. Department of Material Analysis and Indoor Chemistry Fraunhofer WKI Braunschweig Germany
2. University of Helsinki Institute for Atmospheric and Earth System Research (INAR) Helsinki Finland
3. School of Science Department of Physics Environmental and Atmospheric Research Laboratory (EARL) University of Jordan Amman Jordan
4. Department Hygrothermics Fraunhofer Institute for Building Physics (IBP) Valley Germany
5. C3RROlutions GmbH Raubling Germany
6. Faculty of Environmental Engineering University of Agriculture in Krakow Krakow Poland
7. Department II 1 “Environmental Hygiene” German Environment Agency (Umweltbundesamt) Berlin Germany