Footnotes
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Conflict of interest: H.O. Koskela reports nonfinancial support from AstraZeneca Ltd to attend the ERS International Congress 2018, payments for giving scientific lectures from Boehringer Ingelheim Ltd and ownership of stocks worth €34 000 in Orion Ltd, outside the submitted work.
Conflict of interest: Dr. Lätti reports grants from Kuopion Seudun Hengityssäätiö, grants from Hengityssairauksien tutkimussäätiö, grants from Suomen Tuberkuloosin Vastustamisyhdistyksen Säätiö, grants from Väinö ja Laina Kiven Säätiö, grants from KYS Tutkimussäätiö, during the conduct of the study; personal fees from Orion, Boehringer-Ingelheim, Roche, AstraZeneca, Novartis to visit international scientific meetings and consulting fees from GlaxoSmithKline., outside the submitted work.
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- Received February 2, 2021.
- Accepted March 13, 2021.
- Copyright ©The authors 2021
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