Sample size (or number of clusters) by treatment arms
50,400 clusters in Arm A, 16,800 clusters in Arm B, 16,800 clusters in Arm C, 16,800 clusters in Arm D, 8,400 clusters in Arm E, 8,400 clusters in F, 16,800 clusters in Arm G, 16,800 in Arm H, 8,400 in Arm I, and 8,400 in Arm J