Hodapp, Robert M.: - Robert Hodapp is at Vanderbilt University, Nashville, Tennessee, USA.

Fidler, Deborah J.: - Dr. Deborah Fidler is a Professor in the Department of Human Development and Family Studies at Colorado State University. Her research expertise is in the area of early development in individuals with neurogenetic syndromes, with a particular focus on the behavioral phenotype in Down syndrome and its implications for intervention and educational practice.

Lanfranchi, Silvia: - Silvia Lanfranchi is a professor at the University of Padova, Italy, at the Department of Developmental Psychology and Socialization. Her area of expertise is cognitive and behavioural development in individuals with intellectual disability, with a particular focus on neurogenetic syndromes. She's also interested in educational and inclusive practices for individuals with intellectual disability, as well as in rehabilitation programs.