Extensive tables and data should be placed on file at the authors's institution and directions for obtaining them be given in a footnote. Footnotes Footnotes to the text should be indicated by consecutive superscript numbers. Footnotes to tables should be indicated by superscript lowercase letters. Abbreviations should be defined and listed on a separate page. Standard units of measurement and chemical symbols of elements may be used without definition within the body of the paper.
Acronyms formed from phrases are unacceptable.
Manuscript handling Manuscripts in electronic form. Submission of data is encouraged. Please do not transmit any such data to the publisher until your manuscript has been reviewed and accepted for publication. Please follow the technical instructions for manuscripts and illustrations in electronic form . Electronic Supplementary Material.