2 Institute of Plant Sciences and Oeschger Centre for Climate Change Research, University of Bern, Altenbergrain 21, CH-3013, Bern, Switzerland.
3 Palaeoclimate, EPOC (UMR 5805 CNRS/University of Bordeaux), University of Bordeaux, F-33615, Pessac, France.
4 Dipartimento di Scienze della Terra, University of Pisa, via S. Maria 53, 56126, Pisa, Italy.
5 Department of Palynology and Climate Dynamics, University of Göttingen, Wilhelm-Weber-Str. 2a, D-37073, Göttingen, Germany.
6 Institute of Botany, Division of Systematics, Palynology and Geobotany, University of Innsbruck, Sternwartestrasse 15, A-6020, Innsbruck, Austria.
7 MTA-MTM-ELTE Research Group for Paleontology and Department of Environmental and Landscape Geography, Eötvös Lóránd University, Pázmány Péter stny. 1/C, H-1117, Budapest, Hungary.
8 CNR - Institute for the Dynamics of Environmental Processes, U1 - DISAT - Università Milano Bicocca, Piazza della Scienza 1, I-20126, Milano, Italy.
9 Departamento de Sistemas y Recursos Naturales, Escuela Técnica Superior de Ingeniería de Montes, Forestal y del Medio Natural, Universidad Politécnica de Madrid, E-28040, Madrid, Spain.
10 Departamento de Biodiversidad, Ecología y Evolución, Facultad de Ciencias Biológicas, Universidad Complutense de Madrid, C/José Antonio Novais, E-28040, Madrid, Spain.