Department of Population Health Sciences, University of Wisconsin-Madison

Professor of Special Education, University of Kansas

Professor Emeritus of Intellectual Disability, The University of Sydney

Professor of Research, University of North Carolina at Charlotte

University of Pavia

Associate professor, department of psychology, Syracuse University

Kennedy Krieger Institute

London School of Hygiene & Tropical Medicine

Graduate Student, Clinical Psychology, Louisiana State University

École de psychoéducation, Université de Montréal