Affiliation: | 1. Mammalian Locomotor Laboratory, Department of Neuroscience, Karolinska Institutet, 17177 Stockholm, Sweden;2. Gene Technology and Developmental Neuroscience, Institute of Experimental Medicine, H‐1450, Budapest, Hungary;3. Institute of Pharmacology and Toxicology, University of Zurich, Zurich, Switzerland;4. Department of Physiology, University of Oslo, 0317 Oslo, Norway |