Funding for this research was provided by:
BaoShan District Committee of Science and Technology of Shangha (18-E-24)
Received: 22 April 2019
Accepted: 25 October 2019
First Online: 29 November 2019
Ethics approval and consent to participate
: The authors declared that they obtained consent forms from all patients who participated in the study and approval of the ethical committee of Huashan Hospital Fudan University, Shanghai, China.
: In the form, each patient has given his/her consent for his/her images and other clinical information to be reported in a journal. The patients understand that their names and initials will not be published and that due efforts will be made to conceal their identity, but anonymity cannot be guaranteed.
: The authors declare that they have no competing interests.