1) Please revise your paper according to the suggestion of referee which we transfered to you.

2) When you feel the suggestion is not correct, please email us the opinion about the referee's suggestion, we will transfer it to the referee and ask him to have a look your opinion when we think it is need.

3) If you think the part of referee's suggestion is not correct, please revise the correct part, and email us the revised paper in PDF file and your opinion on the incorrect part.

4) If you think the suggestion is correct, please email us the revised paper in PDF file and the notice where you correct.

5) Please revise your paper and send them back within 1 month.