Fig. 2. Changes of mean scores of subdomain of quality of upper extremity skills test in both groups during the study. M0, G-CSF injection time point; M1, mPBMC or placebo injection time point; M7, cross injection time point; M13, 6 months after cross injection; G-CSF, granulocyte-colony stimulating factor; mPBMC, mobilized peripheral blood mononuclear cells.