1. Tuija Lamminmäki, PhL, is a clinical neuro-psychologist and researcher at the Niilo Mäki Institute, University of Jyväskylä. Dr. Lamminmäki's research interests lie in the area of developmental disorders and learning disabilities. Address Tuija Lamminmäki, Niilo Mäki Institute, Department of Psychology, University of Iyväskylä, PO Box 35, Fin-40351 Jyväskylä, Finland. e-mail: TLAMMINM@NMI.JYU.FI
2. Timo Ahonen, PhD, is a senior researcher and clinical director of the Niilo Mäki Institute as well as a clinical neuropsychologist.
3. Helena Todd de Barra, is the author of the treatment method as well as director at Corporación para el Desarollo del Apredizaje in Santiago de Chile.
4. Asko Tolvanen, MSc, works as a statistician in the Department of Psychology, University of Jyväskylä.
5. Katarina Michelsson, MD, is a pediatrician working as an assistant administrative chief at Children's Hospital, University of Helsinki.
6. Heikki Lyytinen, PhD, is a professor of psychology at the University of Jyväskylä as well as a director of Niilo Mäki Institute.