1. Laboratory for Air Pollution & Environmental Technology; Empa; Überlandstr. 129 CH-8600 Dübendorf Switzerland
2. Karlsruhe Institute of Technology; Institute of Meteorology and Climate Research (IMK-IFU); 82467 Garmisch-Partenkirchen Germany
3. Department of Environmental Science and Technology; Tokyo Institute of Technology; 4259 Nagatsuta, Midori-ku Yokohama 226-8502 Japan
4. Research Center for Environmental Changes; Academia Sinica; Taipei 115 Taiwan
5. Institute of Astronomy and Astrophysics; Academia Sinica; Taipei 106 Taiwan
6. Graduate Institute of Astronomy; National Central University; Jhongli 320 Taiwan
7. Department of Physics; University of Houston; Houston TX 77004 USA
8. Forschungszentrum Jülich GmbH; Institute of Bio- and Geosciences - Agrosphere (IBG-3); Wilhelm-Johnen-Strasse 52428 Jülich Germany
9. Institute of Arctic and Alpine Research; University of Colorado; Boulder CO 80309-0450 USA
10. Centre for Stable Isotope Research and Analysis; Büsgen Institute, Georg-August University Göttingen; Büsgenweg 2 37077 Göttingen Germany
11. Department of Zoology; Michigan State University; East Lansing MI 48824-1115 USA
12. Department of Environmental Earth System Science; Stanford University; 473 Via Ortega Stanford CA 94305 USA
13. Institute of Agricultural Climate Research; Johann Heinrich von Thünen Institut, Federal Research Institute for Rural Areas, Forestry and Fisheries; Bundesallee 50 38116 Braunschweig Germany
14. Stable Isotope Facility; University of California; Davis CA 95616 USA
15. Centre for Ocean and Atmospheric Sciences, School of Environmental Sciences; University of East Anglia; Norwich Research Park Norwich NR4 7TJ UK
16. Department of Environmental Chemistry and Engineering; Tokyo Institute of Technology; 4259 Nagatsuta, Midori-ku Yokohama 226-8502 Japan
17. Earth-Life Science Institute; Tokyo Institute of Technology; 2-12-1 Ookayama, Meguro-ku Tokyo 152-8550 Japan