Document is current

Article History

Received: 11 July 2019

Accepted: 24 September 2019

First Online: 4 November 2019

Competing interests

: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. We wish to draw the attention of the Editor to the following facts which may be considered as potential conflicts of interest and to significant financial contributions to this work. While a generous donation was used to set up the Zhendong Centre by Shanxi Zhendong Pharmaceutical Co Ltd, they did not determine the research direction for this work or influence the analysis of the data. J.C.: no competing interests, Z.Q.: no competing interests, Y.H.L.: no competing interests, H.S.: no competing interests, T.N.A.: no competing interests, W.W.: is an employee of Zhendong Pharma seconded to Zhendong Centre to learn bioinformatics methods, R.D.K.: no competing interests, D.L.A.:Director of the Zhendong Centre which was set up with a generous donation from the Zhendong Pharmaceutical Co Ltd. Zhendong Pharmaceutical has had no control over these experiments, their design or analysis and have not exercised any editorial control over the manuscript.