TABLE 1.

Cell counting methods used by each site.

	Site #1		Site #2		Site #3		Site #4		Site #5
	Cell Count	Viability	Cell Count	Viability	Cell Count	Viability	Cell Count	Viability	Cell Count	Viability
Whole BM	Automated (SysmexXS-1000i)	Fluorescent microscope (AO/PI)	Automated (Ad via 1200)	Flow Cytometry (7-AAD)	Manual (hemacytometer)	Light microscope (trypan blue)	Manual (hemacytometer)	Light microscope (trypan blue)	Automated (sysmexXE-5000)	Cellometer (AO/PI)
Passaged Cells	Automated (Sysmex XS-1000i)	Fluorescent microscope (AO/PI)	Cellometer (AO/PI)	Cellometer (AO/PI)	Manual (hemacytometer)	Light microscope (trypan blue)	Manual (hemacytometer)	Light microscope (trypan blue)	Manual (hemacytometer)	Light microscope (trypan blue)