Additional file 1.

Detailed information of subjects. The supplementary document includes subjects' demographic information, as well as the demographic and physiological information of the subjects in our previous study [8] which showed no significant group differences on hematological measurements including hemoglobin levels (HGB) and circulating red blood cell count (RBC) etc.

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Yan et al. BMC Neuroscience 2011 12:94   doi:10.1186/1471-2202-12-94