Distinguished Professor Emeritus, University of Kansas

Professor, Centre for Research in Intellectual and Developmental Disabilities, University of …

Hoogleraar Radboudumc

University of California at Irvine

Professor, University of Kansas

Tokyo Medical and Dental University, Professor & Director

Associate Professor, Centre for Child Health Research, University of Western Australia

Professor of Mental Health, Health Research Institute, University of Canberra

Rutgers, The State University of New Jersey

Erasmus MC, University Medical Center Rotterdam, University of Applied Sciences Leiden