Fig. 1From: Evaluation of acute effect of light-emitting diode (LED) phototherapy on muscle deoxygenation and pulmonary oxygen uptake kinetics in patients with diabetes mellitus: study protocol for a randomized controlled trialStudy design flowchart. Screening and group/subgroup allocation are described in a. The intervention order of the study is described in b. DMG, diabetes mellitus group; HG, healthy groupBack to article page