Wang, Bolin
Huang, Yan http://orcid.org/0000-0002-1599-9086
Article History
First Online: 31 October 2019
Compliance with Ethical Standards
:
: No sources of funding were used to conduct this study or prepare this letter.
: Bolin Wang and Yan Huang have no conflicts of interest have no conflicts of interest that are directly relevant to the content of this letter.