Liu, G.
Ke, X.
Huang, Z.‑B.
Wang, L.‑C.
Huang, Z.‑N.
Guo, Y.
Long, M.
Liao, X.‑X.
Article History
Received: 26 August 2017
Revised: 2 October 2017
Accepted: 26 October 2017
First Online: 27 November 2017
Compliance with ethical guidelines
:
: G. Liu, X. Ke, Z.-B. Huang, L.-C. Wang, Z.-N. Huang, Y. Guo, M. Long, and X.-X. Liao declare that they have no competing interests.
: This article does not contain any studies with human participants or animals performed by any of the authors.