1. Department of Comparative Language Science, University of Zurich, Zurich, Switzerland.
2. Center for the Interdisciplinary Study of Language Evolution, Zurich, Switzerland.
3. Anthropological Institute and Museum, University of Zurich, Zurich, Switzerland.
4. UT MD Anderson Cancer Research Center, Bastrop, TX, USA.
5. Department of Experimental Medicine, University of Copenhagen, Copenhagen, Denmark.
6. Institute of Linguistics, University of Vienna, Vienna, Austria.
7. Department of Psychology, University of Warwick, Coventry, UK.