Reply to: The geographic variation in the prevalence of attention-deficit/hyperactivity disorder the United States is likely due to geographical variations of solar ultraviolet B doses and race
1 Department of Experimental Psychology, Utrecht University, Utrecht; Research Institute Brainclinics, Nijmegen. Electronic address: [email protected].
2 Leiden Institute for Brain and Cognition, Department of Clinical Child and Adolescent Studies, Leiden University, Leiden, The Netherlands.
3 Ohio State University, Columbus, Ohio.
4 Department of Experimental Psychology, Utrecht University, Utrecht.