Associate Professor, Department of Psychology,
Faculty of Social Sciences and Humanities, University of Macau, Macau SAR, China.

Associate Professor and Deputy Dean,
Faculty of Education, Beijing Normal University, The People's Republic of China.

Professor, Department of Special Education, National University of Tainan, Taiwan.

Director, National Research Center of Sign Language and Braille (国家手语和盲文研究中心), The People's Republic of China.

Professor, Department of Special Education, Liaoning Normal University, The People's Republic of China.

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