Fu, Junling
Wang, Tong
Zhai, Xiao
Xiao, Xinhua
Funding for this research was provided by:
National Key R&D Program of China (2017YFC1309603, 2017YFC1309603, 2017YFC1309603, 2017YFC1309603)
Article History
Received: 27 June 2019
Accepted: 10 November 2019
First Online: 21 November 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Peking Union Medical College Hospital Ethics Committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The reference number is B137 and date of approval is 2015–6–29.
: Informed consent was obtained from all individual participants and/or parents/guardians included in the study.