checklist for shipment

* The submission has not been previously published or previously submitted to another journal (or an explanation has been provided in Comments to the editor).

* The submitted file is in Microsoft Word format.

* Web addresses have been added for references where possible.

* The text is 1.5 spaced; the font size is 12 point; italics are used instead of underlining (except for URLs); and all illustrations, figures and tables are in the text where they belong or at the end of the text.

*The maximum weight of the article must not exceed 20MB.

* The text complies with the bibliographic and style requirements indicated in the Guidelines for Authors, which can be found in About the journal.

* If you are submitting to a section of the journal that is reviewed, you must ensure that the instructions in Review process have been followed.