List of files:

  figures.opj contains all the figures and associated datasets from the paper and was created in OriginPro 9.0.0 (64-bit) SR2. All the figures are the final submitted versions except for Figure 1 from the main text (graph "figure1" in figures.opj), which was touched-up with inset illustrations added to it outside of OriginPro.
  figure1.pdf is the final submitted version of Figure 1 from the main text.