1. BIOGECO; INRA; University of Bordeaux; Cestas France
2. Centre for GeoGenetics; Natural History Museum of Denmark; University of Copenhagen; Copenhagen Denmark
3. Laboratoire AMIS; CNRS; UMR 5288; Université Paul Sabatier (UPS); Toulouse France
4. Museum Lolland Falster; Nykøbing Falster Denmark
5. Dendro-Archaeology; CNRS; UMR 6566 CReAAH; University of Rennes; Rennes cedex France
6. DRAC Basse Normandie; Alençon France
7. MCC/DRASSM; Marseille France
8. Edytem; University of Savoie; Le Bourget-du-Lac France
9. Siedlungs- und Unterwasserarchäologie; Bern Switzerland
10. Archéologie Alsace 11; Sélestat France
11. UMR 7044; ARCHIMEDE; Strasbourg Cedex France
12. Biotechnical Faculty; Department of Wood Science and Technology; University of Ljubljana; Ljubljana Slovenia
13. Laboratoire EPOC; UMR 5805; University of Bordeaux; Pessac France
14. Deutsches Archäologisches Institut; Zentrale; Referat Naturwissenschaften/Dendrochronologie; Berlin Germany
15. Janus Verlag Freiburg im Breisgau; Freiburg im Breisgau Germany
16. Museum of Archaeology; Laténium; Hauterive Switzerland
17. Département des Recherches Archéologiques Subaquatiques et Sous-Marines; Marseille France
18. Dendrodata s.a.s.; Verona Italy
19. National Oceanography Centre; Maritime Archaeology Trust; Southampton UK
20. Baden-Wuerttemberg State Office for Cultural Heritage; Tree-ring Lab; Hemmenhofen Germany
21. Universitat Autònoma de Barcelona; Bellaterra Spain
22. Amt fuer Archaeologie im Thurgau; Frauenfeld Switzerland
23. Landesamt fuer Archaeologie; Dresden Germany
24. Institute for Forest Growth; University of Freiburg; Freiburg Germany
25. Spanish National Research Council; IMF - Archaeology of Social Dynamics; Barcelona Spain
26. CNRS; UMR 5607 Ausonius; Maison de l'Archéologie; Pessac cedex France