1. Dubi Lufi received his PhD from Washington State University in 1979. Currently he is employed at the Kibbutz Child and Family Clinic in Oranim, Israel. His research interests include diagnosis of attentional deficit disorder and diagnosis and treatment of learning disability.
2. Arie Cohen received his PhD from The University of Wisconsin in 1973. Currently he is a senior lecturer at the School of Education, Bar-Ilan University, Ramat-Gan, Israel. Address: Dubi Lufi, Child and Family Clinic, Oranim, Kiryat-Tivon 36000, Israel.