Submission of a manuscript implies that the work described has not been published previously, is not under consideration for publication elsewhere, and has been approved by all authors and the responsible authorities, where applicable.

Authors must obtain permission to use copyrighted material from other sources, including material obtained from online sources.

If accepted for publication, the manuscript must not be published elsewhere in the same form, in English or any other language, including electronic versions, without the prior written permission of the copyright holder.

Authors must submit a declaration of any conflict of interest along with the manuscript.