Widjaja, Jason http://orcid.org/0000-0003-0103-6147
Pan, Haixing
Dolo, Ponnie Robertlee
Yao, Libin
Li, Chao
Shao, Yong
Zhu, Xiaocheng
Article History
First Online: 19 August 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 institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.For this retrospective study, additional formal consent is not required.
: Informed consent was obtained from all individual participants included in the study.