Funding for this research was provided by:
National Natural Science Foundation of China (No. 81700662)
Natural Science Research Project Funding of Higher Education Institutions of Anhui Province (KJ2016A349)
Junior Research Project Funding of Anhui Natural Science Foundation (1708085QH203)
Text and Data Mining valid from 2019-01-19
Received: 8 September 2018
Accepted: 14 December 2018
First Online: 19 January 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: The present study was approved by the Ethical Committee the First Affiliated Hospital of Anhui Medical University.
: Informed consent was signed by the patients for the publication of related images and this report.