1. Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, DK 1350 Copenhagen K, Denmark.
2. Université Catholique de Louvain, Earth and Life Institute, Centre de Recherches sur la Terre et le Climat Georges Lemaître, Chemin du Cyclotron, 2, 1348, Louvain-la-Neuve, Belgium.
3. Niels Bohr Institute, University of Copenhagen, Juliane Maries Vej 30, DK 2100 Copenhagen, Denmark.
4. Geological Institute University of Aarhus, C. F. Møllers Allé 4, DK 8000 Aarhus C, Denmark.
5. GeoBiosphere Science Centre, Quaternary Sciences, Lund University, Sölvegatan 12, SE 22362 Lund, Sweden.
6. Geological Survey of Norway, 7491 Trondheim, Norway.
7. School of Geography, Archaeology and Palaeoecology, Queen’s University, Belfast, Belfast BT7 1NN, UK.