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According to Danish Legislation no registration details were therefore required [\n                      \n                      ]. In this study, participants were not subject to procedures and participated voluntarily. To ensure the anonymity of the participants no email addresses were collected, participants were issued a code number and limited data were collected.\u00a0It was therefore exempted from research ethics approval according to Danish legislation [\n                      \n                      ]. Prior to participating in the survey, the respondents were informed on the study, handling of the data and gave consent to participate when accepting to participate in the survey. 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Marlies Wijsenbeek has received grants and fees for consulting and lectures from Astra Zeneca, Bristol Myers Squibb, Boehringer Ingelheim, Galapagos, Galecto, GSK, Hoffman la Roche, Horizon therapeutics, Kinevant Sciences, Molecure, Nerre Therapeutics, Novartis, PureTech Health, Thyron, Trevi, Vicore. Antoni\u00f3 Morias has received grants and fees for scientific advise or speaker fees from Roche, Boehringer Ingelheim, Bial, GSK and Sanofi-Aventis. Christopher J. Ryerson has received consulting fees from Boehringer-Ingelheim, Pliant Therapeutics, Astra Zeneca, Trevi Therapeutics, Veracyte and honoraria for lectures from Hofmann-La Roche and Boehringer-Ingelheim. Jesper Magnusson has received research grants from Boehringer-Ingelheim and consulting fees from Boehringer Ingelheim, AstraZeneca, GlaxoSmithKline, Takada Pharma, Vicore Pharma and Mallinckrodt. Joyce Lee has received grants from the NIH and Boehringer-Ingelheim, unrestricted research gift from Pliant and consulting fees from Blade, Boehringer Ingelheim, United Therapeutics, Astra Zeneca, Elima and Eleven P15. Justin Oldham have received consulting fees from Boehringer-Ingelheim and Roche. Lauren K. Troy have received speaker fees from Boehringer-Ingelheim and grant support from the NHMRC Centre of Research Excellence in Pulmonary Fibrosis. Manuela Funke-Chambour has received research support from BI, advisory board, consultancy fees from BI, MSD, GSK, Pfizer, Sanofi. Presentations: BI, Astra, GSK. Raphael Borie has received consulting fees from Boehringer-Ingelheim, Ferrer and Sanofi. Honoria for lectures from Boehringer-Ingelheim. Yasuhiro Kondoh serves as a consultant to Asahi Kasei Pharma Corp., Shionogi & Co.Ltd., Boehringer Ingelheim Co., Ltd., Janssen Pharmaceutical K.K., Healios K.K., Chugai Pharmaceutical Co., Ltd., and Taiho Pharmaceutical Co., Ltd., received lecture fees from Asahi Kasei Pharma Corp., Shionogi & Co.Ltd., and Boehringer Ingelheim Co., Ltd., AstraZaneca K.K, Eisai inc., KYORIN Pharmaceutical Co., Ltd., Mitsubishi Tanabe Pharma, and Novartis Pharma K.k., outside the presentation work. Yet. H Khor has received grants from NHMRC Investigator Grant during the conduct of the study and non-financial support from the Air Liquide Healthcare outside the submitted work. Elisabeth Bendstrup has received fees for presentations for Boehringer-Ingelheim, Daichii-Sankyo, AstraZeneca, Novartis. Advisory board meeting Boehringer-Ingelheim, travel support from Boehringer-Ingelheim. The other authors have nothing to disclose.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"59"}}