Funding for this research was provided by:
Chinese Academy of Medical Sciences Innovation Fund for Medical Sciences (2017-I2M-2-001)
National Natural Science Foundation of China (U20A20341)
National Key Research and Development Program of China (2016YFC0901502)
Received: 1 January 2021
Accepted: 9 March 2021
First Online: 17 March 2021
Ethical approval and consents to participate
: The protocol of this retrospective analysis was approved by the Ethical Committee of Peking Union Medical College Hospital (S-K1246). All patients were from LAM registry and provided written informed consent.
: Consent for publications were obtained from all participants.
: The authors declare no potential conflicts of interest with respect to the research, authorship, and publication of this article.