Manuscripts must be submitted in PDF format on letter size paper in the United States. Any other form of submission will be discarded. The maximum number of pages is 8 (8) and the maximum file size is 4MB. Up to four extra pages can be added, for a fee of $100 for each additional page. Illustrations and references are included in the number of pages. It is your responsibility to ensure that the content you submit is in a valid format and can be read and printed. Please check your documents carefully before submitting.