In the article on page 159 in the September 2013 issue, there were some incorrect data. In the fourth paragraph of the MATERIALS AND METHODS section, the following sentence should have read:
After an initial bolus of 0.5 mg/kg, propofol was given to all patients by a dose titration method (10 mg bolus for every 10 seconds until the eyelash reflex disappeared), with a mean dose of 99.5 mg (54–174 mg, min-max).
, , , Effect of S-ketamine as an anesthetic adjuvant to propofol on treatment response to electroconvulsive therapy in treatment-resistant depression: a randomized pilot study. J ECT