Funding for this research was provided by:
National Natural Science Foundation of China (81772428)
Special Program of Guangdong Frontier and Key Technological Innovation (2015B010125006)
High-level University Construction Funding of Guangdong Provincial Department of Education (LC2016ZD032)
National Health and Medical Research Council (1158402)
Ningbo Science &Technology and People-Benefit Program (2017C50048)
Ningbo Medical Science &Technology Program (2016A22)
Received: 28 August 2019
Accepted: 27 May 2020
First Online: 10 July 2020
Ethics approval and consent to participate
: This study was approved by the Ethics Institution of the Third Affiliated Hospital of Southern Medical University (approval No. 201704006). All procedures performed 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. Written informed consent was obtained from all patients. The 3DPPS plates have already been approved and certificated by CFDA (The Class III medical device, NO. 20163460576). In addition, this study has been registered in Chinese Clinical Trial Registry (ChiCTR, NO: hiCTR1800017149).
: Not applicable.