Peter Bruggemann, a professor at the German Sport University, supervised the tests, the results of which suggested to the IAAF that the Cheetahs were more efficient than a human ankle and that Pistorius exerted 35% less energy than some able-bodied sprinters.
HS provided valuable comments and remarks on the manuscript and supervised the interpretation of the results.
BMGS contributed to the production of the results, supervised the ongoing of the study, and drafted the manuscript.
ET, IF and JBM conceived the idea, designed the protocol and supervised the analysis of the results.
SDM supervised the interpretation of the results from the validation study, and drafted the manuscript.
SDM supervised the interpretation of the results from the focus groups and conceptual model development activities and assisted in the drafting of the manuscript.
HT: Generating the idea and design of the study; supervised the analysis, interpretation of the results and write up of the manuscript; reviewed the final paper and all its drafts.
He conceived the design of the study, coordinated experiments and supervised the statistical analysis of the results.
AMKG supervised the statistical analysis of the results.
MM and CR supervised the study, interpretation of the results and drafting the manuscript.
