Funding for this research was provided by:
Shanghai Hospital Development Center (16CR1035B)
Received: 24 December 2018
Accepted: 6 June 2019
First Online: 21 June 2019
Ethics approval and consent to participate
: The study has been approved by the Ethics Committees of Shanghai Chest Hospital (KS1734). Written informed consent is obtained from each participant in the RAMIE study.
: Not applicable.
: The authors declare that they have no competing interests.