Table 1.

The donor sex and age of the fetal and adult MSCs.

Donor	Sex	Age at procurement*
Fetal 1	XY	5–5.5 weeks
Fetal 2	XX	7.5 weeks
Fetal 3	Not known	5.5 weeks
Fetal 4	XY	8 weeks
Adult 1	XY	27 years
Adult 2	XY	31 years
Adult 3	XY	30 years
Adult 4	XY	26 years
Adult 5	XX	6 years

*The developmental age of fMSCs is the embryonic age in weeks. XY = male, XX = female