Table 1.

Metadata for the spinal cord specimens used in this study.

Sample ID	Species	Strain	Sex	Age (years)	Weight (kg)	Height (m)
R1	Rat	Sprague Dawley	Female	0.5	0.32	N/A
R2	Rat	Sprague Dawley	Female	0.5	0.35	N/A
R3	Rat	Sprague Dawley	Female	0.5	0.36	N/A
R4	Rat	Sprague Dawley	Female	0.5	0.35	N/A
R5	Rat	Sprague Dawley	Female	0.5	0.40	N/A
R6	Rat	Sprague Dawley	Female	0.5	0.38	N/A
C1	Cat	N/A	Male	7.7	4.70	N/A
C2	Cat	N/A	Male	4.4	4.70	N/A
C3	Cat	N/A	Female	7.4	3.22	N/A
C4	Cat	N/A	Female	7.3	5.86	N/A
C5	Cat	N/A	Female	1.7	4.24	N/A
C6	Cat	N/A	Female	1.6	5.90	N/A
P1	Pig	Domestic	Female	*	50.9	N/A
P2	Pig	Domestic	Female	*	57.4	N/A
P3	Pig	Domestic	Female	*	49.0	N/A
P4	Pig	Domestic	Female	*	42.0	N/A
P5	Pig	Domestic	Male	*	42.0	N/A
P6	Pig	Domestic	Female	*	43.0	N/A
M1	Monkey	Rhesus Macaque	Male	Not available	13.2	N/A
M2	Monkey	Rhesus Macaque	Female	18.7	6.9	N/A
M3	Monkey	Rhesus Macaque	Female	16.9	8.0	N/A
M4	Monkey	Rhesus Macaque	Male	9.0	15.1	N/A
M5	Monkey	Rhesus Macaque	Female	Not available	10.5	N/A
M6	Monkey	Rhesus Macaque	Female	18.9	11.5	N/A
H1	Human	N/A	Male	69	Not available	1.78
H2	Human	N/A	Female	91	Not available	1.65
H3	Human	N/A	Male	79	Not available	1.78
H4	Human	N/A	Male	84	Not available	Not available
H5	Human	N/A	Male	91	Not available	1.62
H6	Human	N/A	Male	86	Not available	1.76

N/A not applicable.

*Approximate age of the domestic pigs can be estimated from available porcine growth rate charts^56,57.