1. Swiss Ornithological Institute Sempach Switzerland
2. Lund University Lund Sweden
3. Lab of OrnithologyCornell University Ithaca New York
4. Theoretical and Computational EcologyInstitute of Biodiversity and Ecosystem DynamicsUniversity of Amsterdam Amsterdam the Netherlands
5. Max Planck Institute for Ornithology Radolfzell Germany
6. Ornis Italica Rome Italy
7. Swedish Meteorological and Hydrological Institute Norrköping Sweden
8. Centre for Ecology and Conservation, and Environment and Sustainability InstituteUniversity of Exeter Cornwall UK
9. Nanjing Agricultural University Nanjing China
10. Royal Netherlands Meteorological Institute De Bilt the Netherlands