1. Laboratory for Advanced Analytical Technologies, Empa, Dübendorf 8600, Switzerland
2. Laboratory for Air Pollution and Environmental Technology, Empa, Dübendorf 8600, Switzerland
3. SR Technics Switzerland AG, Zurich-Airport, Kloten 8058, Switzerland
4. Centre for Aviation, School of Engineering, Zurich University of Applied Sciences, Winterthur 8401, Switzerland
5. Federal Office of Civil Aviation FOCA, Bern 3003, Switzerland