Zhong, Zeqin http://orcid.org/0000-0001-8104-4715
Chen, Lingzhen http://orcid.org/0000-0002-1423-281X
Huang, Shaozhen http://orcid.org/0000-0003-0452-2538
Shang, Weili http://orcid.org/0000-0001-6747-3185
Kong, Lingyong http://orcid.org/0000-0001-7470-6880
Sun, Ming http://orcid.org/0000-0001-7432-9704
Chen, Lei http://orcid.org/0000-0003-3356-6396
Ren, Wangbao http://orcid.org/0000-0002-8481-9202
Article History
Received: 1 August 2019
Accepted: 15 October 2019
First Online: 22 October 2019
Compliance with ethical standards
:
: No conflict of interest exits in the submission of this manuscript, and manuscript is approved by all authors for publication. The work described was original research that has not been published previously, and not under consideration for publication elsewhere, in whole or in part. All the authors listed have approved the manuscript that is enclosed.