1. Department of Medical Biochemistry and Biophysics, Umeå University, SE-90187 Umeå, Sweden
2. Department of Forest Ecology and Management, Swedish University of Agricultural Sciences, SE-90183 Umeå, Sweden
3. Department of Chemistry, SciLife Lab, Umeå University, SE-90187 Umeå, Sweden
4. UDATA GmbH − Umwelt und Bildung, Hindenburgstrasse 1, 67433 Neustadt an der Weinstraße, Germany
5. Departement Umweltgeowissenschaften, Universität Basel, Bernoullistrasse 30, CH-4056 Basel, Switzerland
6. Agroscope, Climate and Agriculture Group, Reckenholzstrasse 191, CH-8046 Zurich, Switzerland