Funding for this research was provided by:
Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences and Peking Union Medical College (2040316303)
Article History
Received: 28 July 2019
Accepted: 19 October 2019
First Online: 7 November 2019
Compliance with Ethical Standards
:
: The authors have no conflict of interest to disclose.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: For this type of study, informed consent is not required.