n = 10 per group, no true difference, 5000 runs: RMST(60) test 0.0826  log-rank 0.0582
n = 20 per group, no true difference, 5000 runs: RMST(60) test 0.0620  log-rank 0.0500
n = 40 per group, no true difference, 5000 runs: RMST(60) test 0.0550  log-rank 0.0528