Assistive Technologies COOK, ALBERT M. (PROFESSOR EMERITUS, COMMUNICATION SCIENCES AND DISORDERS, UNIVERSITY OF ALBERTA, EDMONTON, ALBERTA, CANADA),POLGAR, JANICE MILLER (PROFESSOR EMERITA, SCHOOL OF OCCUPATIONAL THERAPY, FACULTY OF HEALTH SCIENCES, WESTERN UNIVERSITY, LONDON, ONTARIO, CANADA),ENCARNACAO, PEDRO, PHD (SENIOR AFFILIATE PROFESSOR, CATOLICA LISBON SCHOOL OF BUSINESS & ECONOMICS, UNIVERSIDADE CATOLICA PORTUGUESA, LISBOA, PORTUGAL)