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Article History

Received: 13 May 2018

Accepted: 18 July 2018

First Online: 24 July 2018

Compliance with ethical standards

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: None of the other authors declare any competing interests. The authors shared manuscript design, literature collection, literature analysis and literature interpretation; preparation, review and approval of the manuscript. The corresponding author had full access to all of the data in the study and had final responsibility for the decision to submit for publication. All authors declare that the results presented in this paper have not been published previously in whole or part, except in abstract format.