Letters The Editors welcome submissions for possible publication in the

• Include no more than 300 words of text, three authors, and five references • Type with double-spacing • Send three copies of the letter, a transfer-of-copyright form (see Table of Contents for location) signed by all authors, and a covering letter describing any conflicts of interest related to the contents of the letter • Provide a self-addressed envelope if they want to be notified that the letter was receive