Each figure must be numbered, and each should be called out in the text in consecutive numerical order. Importantly, a figure should be no larger than approximately 11.5 cm (4.5 in.) × 16.5 cm (6.5 in.), which is the size of the print area on a single journal page. A figure should have a caption that is brief and self-explanatory, and that defines all nonstandard abbreviations used in the figure. Captions must be listed separately, on a page by themselves; however, each figure must be clearly identified (numbered), preferably as part of its filename. The artwork should be professional in appearance and have clean, crisp lines. Hand drawing and hand lettering are not acceptable. Figures should not use color in any way. Shades of gray do not reproduce well and should not be used in charts and figures. Instead, stripe patterns, stippling, or solids (black or white) are good choices for shading. The preferred file type for figures is EPS, and TIFF is acceptable. Images can be submitted if they are saved in High-Quality-JPEG or in TIFF format at a resolution of at least 300 pixels per inch and sized to fit within the single-page dimensions, 11.5 cm (4.5 in.) × 16.5 cm (6.5 in.). Authors are urged to submit illustrations rather than tables.
