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Reduced Variability of Endurance Time in New Protocols for Exercise Tests in COPD [Corrigendum]

Authors Tufvesson E , Radner F , Papapostolou G, Jarenbäck L , Jönsson S, Nihlén U, Ankerst J, Tunsäter A , Peterson S, Bjermer L , Eriksson G 

Received 6 May 2021

Accepted for publication 6 May 2021

Published 20 May 2021 Volume 2021:16 Pages 1413—1414

DOI https://doi.org/10.2147/COPD.S318908

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Tufvesson E, Radner F, Papapostolou G, et al. Int J Chron Obstruct Pulmon Dis. 2020;15:3003–3012.

Page 3004, left column, line 2 from the bottom, the sentence “The study also included a new WMAX test where the participants started biking with a 3-min warm-up at 40% of their predicted WMAX, followed by an instant increase to 70% and then a linear increase in workload to achieve the predicted WMAX within 8 min” should read “The study also included a new WMAX test where the participants started biking with a 3-min warm-up at 40% of their predicted WMAX, followed by a linear increase in workload to achieve the predicted WMAX within 8 min”.

Page 3005, left column, line 4 from the bottom, the sentence “The new maximum test included an initial phase of pedalling for 3 min at 40% (Study A) or 30% (Study B) of the predicted WMAX, followed by an instant increase to 75% (Study A) or 70% (Study B), followed by a stepwise (Study A) or linear (Study B) increase in workload until exhaustion” should read “The new maximum test included an initial phase of pedalling for 3 min at 40% (Study A) or 30% (Study B) of the predicted WMAX, followed by a linear increase in workload to achieve the predicted WMAX within 8 min”.

The authors apologize for these errors.

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