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Retraction of: Scientific Reports 10.1038/s41598-018-34462-z, published online 01 November 2018
This Article has been retracted because it was submitted by the corresponding author Zuguo Zhu without the knowledge or consent of the other listed author. Additionally, the majority of the individuals who directly contributed to the work were not included as authors.
Both listed authors agree to the retraction of the Article.
