Table 1.

Fold Expansion of Total Cells During 4 Week of Culture

Group	Mean fold expansion ±SD (n=4)	95% confidence interval
1 week	36.750±8.421	23.352 - 50.148
2 week	108.00±9.092	93.535 - 122.47
3 week	612.50±158.82	359.82 - 865.18
4 week	1925.0±434.93	1233.0 - 2617.0