Table 1.

Grouping method of timing of Bone Marrow Stem Cells therapy.

Method 1	Method 2
A: 1~7 days	A1: 1~3 days
	A2: 4~7 days
B: 8~14 days	B: 8~14 days
C: 15~30 days	C: 15~30 days
Control	Control