Correction ========== **Short telomeres in patients with chronic schizophrenia who show a poor response to treatment** In the print and online versions of the article by Wu-Yang Yu, Hsueh-Wen Chang, Ching-Hua Lin and Chung-Lung Cho (*JPN* 2008;33[3]:244–7]), the contributors’ information stated in error that Drs. Yu and Cho contributed equally to the work. The correct information is that Drs. Yu and Chang contributed equally to the work. We apologize to the authors and our readers for this error.