Demographic data of the early blind subjects.
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Note: “Yes” in the massage column refers to a blind has learned or engaged in massage for more than 1 year; “No” in the massage column refers to a blind has learned or engaged in massage for less than 1 year or has never learned massage; “Yes” in the piano or guitar practicing column refers to a blind has practiced one of these two instruments for more than 1 year; “No” the piano or guitar practicing column refers to a blind has practiced one of these two instruments for less than 1 year or has never practiced them.
创建时间：
2015-12-02
