Dear;<br /><br />I am so glad to contact you again. I am submitting another revised manuscript to you.<br />This manuscript was revised during two months and is now in a position to re-submit.<br /><br />Both two reviewers criticized English writing style of this original manscript as follows:<br /><br />Reviewer 1. <span lang="EN-US">Structure and content of the paper generally appear very well done. However, please ask an English native speaker to proof read and edit the manuscript.<br /><br /></span>Reviewer 2. <span lang="EN-US">The English and writing quality should be profoundly improved. It is hard to follow the current ms.</span> <br /><br />Could you make this revised version polished as smoothly as possible? Red colored statements should be more carefully edited.<br /><br />Resubmission due date is coming. Your awesome and swift assistance would be appreciated in advance. <br /><br />Best wishes,<br /><br />Sung C. Jun