Yu Hsin Hsieh
Department of Special Education, Stockholm University
Specialpedagogiska institutionen 106
91 Stockholm
Sweden
Email: yu-hsin.hsieh@specped.su.se
Ai Wen Hwang
Graduate Institute of Early Intervention, Chang Gung University
Graduate Institute of Early Intervention, College of Medicine, Chang Gung
University, Tao-Yuan City 33302
Taiwan
Email: awhwang@mail.cgu.edu.tw