Dear Editors, Thanks for your e-mail. I have read the letter from Safiri and Ayubi [1]. The following is my reply. Firstly, I am very appreciated for Saeid’s and Erfan’s… Click to show full abstract
Dear Editors, Thanks for your e-mail. I have read the letter from Safiri and Ayubi [1]. The following is my reply. Firstly, I am very appreciated for Saeid’s and Erfan’s rigorously scientific attitude and attention to our study. And thanks very much for their suggestions. I have considered their questions very carefully. Indeed, we did not consider all the problems on statistics in our manuscript when drafting it.
               
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