1. Aryabhatta Research Institute of Observational Sciences Nainital India
2. Institute for Environmental Research and Sustainable Development National Observatory of Athens Athens Greece
3. New York University Abu Dhabi Abu Dhabi United Arab Emirates
4. Laboratoire d'Aérologie Université de Toulouse, CNRS, UPS Toulouse France
5. Department of Desert and Arid Zones Management Ferdowsi University of Mashhad Mashhad Iran
6. Indian Institute of Tropical Meteorology New Delhi India
7. Environmental Sciences and Biomedical Metrology Division CSIR‐National Physical Laboratory New Delhi India
8. Environmental Chemical Processes Laboratory University of Crete Crete Greece