Table 1.

Centrifugation protocols

Protocol	1st centrifugation			2nd centrifugation
	Timing	Force (g)	Time (min)	Timing	Force (g)	Time (min)
A	Prefreeze	800	10	Not performed	N/A	N/A
B	Prefreeze	800	10	Prefreeze	11,000	1
C	Prefreeze	800	10	Post‐thaw	11,000	1
D	Prefreeze	380	20	Prefreeze	20,000	10
E	Prefreeze	380	20	Post‐thaw	20,000	10