This article refers to:
Leonard A. Jason (2015) Differentiating myalgic encephalomyelitis and chronic fatigue syndrome: a response to Twist (2015) Health Psychology and Behavioral Medicine: an Open Access Journal, 3(1), pp. 111–113.
http://dx.doi.org/10.1080/21642850.2015.1027706
When the above article was first published online, the commentary author's name, Twisk, was listed in error as Twist. This has now been corrected to Twisk in both the text and in references.
The author apologizes for this error.