1. Potsdam Institute for Climate Impact Research, Potsdam, Germany
2. Department of Physics, Humboldt University, Berlin, Germany
3. Geosciences Department and Laboratoire de Météorologie Dynamique, École Normale Supérieure, Paris, France
4. Department of Control Theory, Nizhny Novgorod State University, Nizhny Novgorod, Russia
5. Institute for Complex Systems and Mathematical Biology, University of Aberdeen, Aberdeen, United Kingdom