Correction to: Genet Med (2011). 13 (2): 95–101; doi:10.1097/GIM.0b013e3181fea459

In Figure 4, the legend states that basal liver volume was 1213 ± 30 l and spleen volume was 292 ± 19 l. This is incorrect. The correct basal liver volume was 1213 ± 30 ml and spleen volume was 292 ± 19 ml. The authors regret the error.