1. University of Ottawa, Department of Linguistics, Ottawa, Canada
2. BCBL, Basque Center on Cognition, Brain and Language, Donostia, Spain
3. Ikerbasque, Basque Foundation for Science, Bilbao, Spain
4. Universidad del Pais Vasco (UPV/EHU), Donostia, Spain
5. Stanford University School of Medicine, Developmental Behavioral Pediatrics, Palo Alto, CA, USA