Retraction Retraction dated 2019-05-16

Article History

Received: 26 May 2017

Accepted: 27 October 2017

First Online: 9 November 2017

Change Date: 16 May 2019

Change Type: Correction

Change Details: The Editors-in-Chief have retracted this article [1] because the results of the article are invalid. The article also shows significant overlap with an article by Tan et al. [2] that was simultaneously under consideration with another journal. Additionally, this article showed evidence of authorship and peer review manipulation. The authors have not responded to any correspondence with regard to this retraction.

Competing interests

: The authors declare that they have no competing interests.