Manuscripts submitted to this journal must not previously or simultaneously be submitted to another scientific journal. Good quality of written English is required. Spelling may be in British or American English but must be consistent throughout the paper. If the English is not good enough, the manuscript will be sent back to the authors. The editorial board is very strict regarding plagiarism. Copying even one sentence from someone else's manuscript, or even one of your own that has previously been published, without proper citation is considered plagiarism, use your own words instead, all processes follow COPE instructions.