1. Mesoscopic Physics and Nanostructures, Institute of Applied Physics, University of Tübingen, Auf der Morgenstelle 10, D-72076 Tübingen, Germany
2. Animal Physiological Ecology, Institute of Evolution and Ecology, University of Tübingen, Auf der Morgenstelle 5, D-72076 Tübingen, Germany
3. Senckenberg Centre for Human Evolution & Palaeoenvironment (SHEP), Terrestrial Palaeoclimatology, University of Tübingen, Hölderlinstrasse 12, D-72074 Tübingen, Germany