Funding for this research was provided by:
Young Scientists Fund (81801202)
Sichuan Province Science and Technology Support Program (2018SZ0388)
National Key R&D Program of China (2017YFC0907704)
Text and Data Mining valid from 2019-11-27
Received: 28 September 2019
Revised: 18 November 2019
Accepted: 20 November 2019
First Online: 27 November 2019
Compliance with ethical standards
: The authors declare that they have no conflicts of interest, including relevant financial interests, activities, relationships, or affiliations.
: This study was approved by the Medical Ethics Committee of West China Hospital, Sichuan University and was performed in accordance with the ethical standards of the Declaration of Helsinki (approval number: 2018-29). All participants provided informed consent prior to their inclusion in this study.