All manuscripts are submitted with the understanding that they have not been published elsewhere (except in the form of a symposia abstract or as part of a lecture or thesis) and are currently not under consideration for publication by another journal. All files, including figures, tables, charts or any kind of illustration must be original. The principal corresponding author is responsible for ensuring that all authors have contributed to, read and approved the submitted manuscript. All the authors are encouraged to keep a copy of the submitted manuscript in case of revision, rejection, or loss. Receipt of manuscript will be acknowledged and a decision regarding acceptance will be made as soon as possible. Manuscripts will be subject to editorial revision if deemed necessary.