IEEE Transactions on Neural Systems and Rehabilitation Engineering (2013) - Comment
pubmed: 23362251  doi: 10.1109/tnsre.2013.2240700  issn: 1558-0210  issn: 1534-4320 

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Yiyu Cai, Noel K. H. Chia, Daniel Thalmann, Norman K. N. Kee, Jianmin Zheng, Nadia M. Thalmann