Funding for this research was provided by:
Major research projects of Xi'an Science and Technology Burea (2017123SF/YX017(3))
Received: 8 February 2020
Accepted: 17 June 2020
First Online: 2 July 2020
Ethics approval and consent to participate
: We confirmed that all methods were carried out in accordance with relevant guidelines and regulations of our licensing committee. Our study was approved by Ethics Committee of Xi’an Jiaotong University, Hong Hui Hospital and that informed consent were written by all patients.
: The informed consent for publication of identifying images has been approved by the relevant patient and informed consent obtained was written.
: On behalf of all authors, the corresponding author states that there is no conflict of interest.