The paper by Martoni et al. (2018) contains an error on page 703 that should be brought to the attention of readers. It is listed here, along with the incorrect and correct copy:
Incorrect copy: RECEIVED October 4, 2017; FINAL REVISION March 17, 2018; ACCEPTED March 19, 2018; FIRST PUBLISHED ONLINE June 7, 2018
Correct copy: RECEIVED October 4, 2017; FINAL REVISION March 17, 2018; ACCEPTED March 20, 2018; FIRST PUBLISHED ONLINE June 7, 2018
Cambridge University Press regrets the inconvenience that this error may have caused. The article has been updated with the correct copy.