Volume 18, no. 5, p. 2495, right axis of Fig. 2C: “Ratio of CLN1/CLN2 RNA” should read “Ratio of CLN2/CLN1 RNA.”
Page 2495, legend to Fig. 2, second line from bottom: “The ratio of CLN1 to CLN2” should read “the ratio of CLN2 to CLN1.”
Page 2496, column 1, lines 5 and 6: “The ratio of CLN1 to CLN2” should read “the ratio of CLN2 to CLN1.”