To facilitate proper peer-reviewing of your manuscript, it is essential that it is submitted in grammatically correct English.
If you are not a native English speaker, we recommend that you have your manuscript professionally edited before submission or read by a native English-speaking colleague. This can be carried out by our partner in English editing service. Proofead English Editing www.proofead.com (email: proofead@gmail.com) or use the services of another proofreader. After proofreading, please collect the evidence that the paper has been proofread, it can be a certificate, the receipt of proofread payment (invoice), or a manuscript with proofreader's comments.