摘要
This article is retracted because the corresponding author XU Youjun was put as the corresponding author without knowing anything before its publication. All were arranged by the first author, Mr. FENG Deri, in abnormal ways. Hence all other authors and XU state here that this paper has no relation with other authors and with Xu＇s working university. XU also states that he has never used ＂xuyoujun65@163.com＂as corresponding author contact email.
This article is retracted because the corresponding author XU Youjun was put as the corresponding author without knowing anything before its publication. All were arranged by the first author, Mr. FENG Deri, in abnormal ways. Hence all other authors and XU state here that this paper has no relation with other authors and with Xu＇s working university. XU also states that he has never used ＂xuyoujun65@163.com＂as corresponding author contact email.
