Erratum: Corrigendum: ATM regulates target switching to escalating doses of radiation in the intestines

Nat. Med. 11, 484–490 (2005) In Figure 2a, ceramide levels at 8 and 12 h after 16 Gy should have read 102 ± 10 and 118 ± 10 percent of control, respectively, and s.e.m. values for the remaining points should be multiplied by a factor of 2.6.