2.1 Second level heading

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2.1.1 Third level heading

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Figures and Tables

Figures and tables should be numbered separately, in the order in which they appear in the manuscript. Please embed them in the correct places in the text to facilitate peer review. Permission to reuse or adapt previously published materials must be submitted before article acceptance. Resources
Production quality figure files with captions are still to be submitted separately. Figure preparation and formatting
Captions should stand alone and be informative outside of the context of the article. This will help educators who may want to use a PowerPoint slide of your figure. Explain any abbreviations or symbols that appear in the figure and make sure to include credit lines for any previously published materials.