Funding for this research was provided by:
Ministry of Health of the People's Republic of China (201302007)
West China Hospital, Sichuan University (Z2018B11)
Received: 30 January 2020
Accepted: 31 August 2020
First Online: 18 September 2020
Ethics approval and consent to participate
: This study was deemed exempt by the hospital’s institutional review board of Sichuan University West China hospital (2012–268). Patient consent was deemed unnecessary by each hospital’s institutional review board.
: Not Applicable.
: No conflict of interest exits in the submission of this manuscript, and manuscript is approved by all authors for publication.