These montages illustrate the movements of MTRed-labeled mitochondria in the processes of CNT68, CNT68-90 minutes after LLLT, PD63 and PD63-85 minutes after LLLT. Moving mitochondria in each montage are indicated by arrowheads, arrows, circles and boxes. The images were taken every 3 seconds. Original movies are shown as additional files. Bar = 1 μm.