Funding for this research was provided by:
Beijing Tiantan Hospital Clinical Foundation for Young Scholars (2017-YQN-35)
Received: 7 August 2018
Accepted: 30 October 2018
First Online: 18 December 2018
Ethics approval and consent to participate
: This study was approved by Institution review board (IRB) of Beijing Tiantan Hospital, Capital Medical University. The approval number was KY2017-006-02. This article does not contain any studies with animals performed by any of the authors. Informed consent was obtained from all individual participants included in the study.
: All patients in this research have formally agreed to publish their clinical information and clinical data.
: The authors declare that they have no competing interests.