Compare the mortality rate;Safety for AdMSCs based upon incidence of all AEs;Safety of AdMSC injection will be evaluated by assessment of the frequency and nature of adverse events occurring during the study based on the rate of all AdMSC-associated adverse events (AEs) in all subjects.

Compare the mortality rate;Safety for AdMSCs based upon incidence of all AEs;Safety of AdMSC injection will be evaluated by assessment of the frequency and nature of adverse events occurring during the study based on the rate of all AdMSC-associated adverse events (AEs) in all subjects.