1. Centre for Aviation, ZHAW Zurich University of Applied Sciences, Winterthur CH-8401, Switzerland
2. Cardiff School of Engineering, Cardiff University, Wales CF24 3AA, U.K.
3. Laboratory for Atmospheric Chemistry, Paul Scherrer Institute, Villigen CH-5232, Switzerland
4. Laboratory for Automotive Powertrain Technologies, Empa, Dübendorf CH-8600, Switzerland
5. SR Technics Switzerland AG, Zurich-Airport,Kloten CH-8058, Switzerland
6. Rolls-Royce,Plc, Sin A-37
PO Box 31, Derby DE24 8BJ, U.K.