Characteristics of home oxygen therapy for preterm infants with bronchopulmonary dysplasia in China: results of a multicenter cohort study.

"Declarations Ethical approvalEthical approval was obtained from the ethics review board of Children’s Hospital of Fudan University (2018-296), which was recognized by all participating hospitals. Waiver of consent were granted at all sites for de-identified data. Conflict of interestNo financial or non-financial benefits have been received or will be received from any party related directly or indirectly to the subject of this article. Shoo Kim Lee is a member of the Editorial Board for World Journal of Pediatrics. The paper was handled by the other Editors and has undergone a rigorous peer-review process. Author Shoo Kim Lee was not involved in the journal’s review or decisions making of this manuscript. Conflict of interest No financial or non-financial benefits have been received or will be received from any party related directly or indirectly to the subject of this article. Shoo Kim Lee is a member of the Editorial Board for World Journal of Pediatrics. The paper was handled by the other Editors and has undergone a rigorous peer-review process. Author Shoo Kim Lee was not involved in the journal’s review or decisions making of this manuscript. "

"Funding This work was funded by the Canadian Institutes of Health Research (CTP87518 to Shoo Lee)."