Article Text
PostScript
Correspondence
Authors’ response: what determines which 6MWT is conventional?
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Footnotes
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Contributors EB wrote the draft of the response letter. IM, RG, OCPvS and RAdB read the draft and provided the first author with commentary. After adaptations, the final version of the letter was read an approved by all authors.
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Competing interests None.
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Provenance and peer review Not commissioned; internally peer reviewed.