Funding for this research was provided by:
Zhejiang Engineering Research Center of Intelligent Medicine (2016E10011)
Zhejiang Provincial Natural Science Foundation of China (LGF18H150005)
Article History
Accepted: 16 March 2018
First Online: 21 March 2018
Compliance with ethical standards
:
: The study did not involve human participants and ethics approval is not applicable.
: The authors declare that they have no competing interests.
Free to read: This content has been made available to all.