Funding for this research was provided by:
Ministry of Health, Labour and Welfare
Received: 5 June 2021
Accepted: 10 October 2021
First Online: 3 November 2021
: This study was a retrospective study and was approved by the Institutional Review Board of KCCMC (approval number: 2019-070 and 2019-015). All patients in the study provided informed consent for clinical data collection and measurement of VEGF-D. Moreover, information about opting out from the study was available on the homepage of KCCMC.
: All patients in the study provided informed consent for publication.
: TA reports personal fees from Boehringer Ingelheim and from Shionogi Co Ltd outside the submitted work; YI reports grants from the Ministry of Health, Labor and Welfare, Japan, personal fees, and other fees from Boehringer Ingelheim, Taiho, Roche, Shionogi, Galapagos, and Savara outside the submitted work.