Void assays were conducted on the same cohort of mice at 3, 6 and 9 weeks of age. Quantification of (A) mouse mass, (B) spot number, (C) total urine area, (D) spot size, (E) primary void area, (F) percent area within primary void, (G) percent area within corners and (H) percent area within the center. (I) Total urine area normalized to mouse mass at three, six and nine weeks. Results are mean±SE, n=11. Asterisk indicates significant differences p≤0.05.