In the article on page 98 of the June 2014 issue, reference 20 was incorrect. It is correctly listed below:
20. Casarotto S, Canali P, Rosanova M, et al. Assessing the effects of electroconvulsive therapy on cortical excitability by means of transcranial magnetic stimulation and electroencephalography. Brain Topogr. 2013;26:326—337.
Farzan F, Boutros NN, Blumberger DM, et al. What does the electroencephalogram tell us about the mechanisms of action of ECT in major depressive disorders? J ECT
. 2014; 30: 98–106.