1. Laboratory for Air Pollution/Environmental Technology Empa Dübendorf Switzerland
2. Department of Environmental and Biological Sciences University of Eastern Finland Kuopio Finland
3. Isotope Bioscience Laboratory – ISOFYS, Department of Green Chemistry and Technology, Faculty of Bioscience Engineering Ghent University Ghent Belgium
4. National Physical Laboratory Middlesex UK
5. PAGES International Project Office Bern Switzerland
6. Beutenberg Campus Max‐Planck‐Institute for Biogeochemistry Jena Germany
7. Air Pollution Control and Chemicals Division Federal Office for the Environment Bern Switzerland
8. Centre for Ocean and Atmospheric Sciences, School of Environmental Sciences University of East Anglia Norwich UK
9. Thermo Fisher Scientific Bremen Germany
10. Plant Protection Chemistry Agroscope Wädenswil Switzerland
11. Earth‐Life Science Institute Tokyo Institute of Technology Tokyo Japan
12. Department of Chemical Science and Engineering, School of Materials and Chemical Technology Tokyo Institute of Technology Yokohama Japan
13. Terrestrial Ecosystem Research, Centre for Microbiology and Environmental Systems Science University of Vienna Vienna Austria
14. Institute of Environment and Ecology, Tsinghua Shenzhen International Graduate School (SIGS) Tsinghua University Shenzhen China