van Raaij, B. F.M.
Veltman, J. D.
Hameete, J. F.
Stöger, J. L.
Geelhoed, J. J.M.
Article History
Received: 31 January 2023
Accepted: 31 March 2023
First Online: 20 April 2023
Declarations
:
: The study was approved by the Ethical Committee for COVID-19 related research at the LUMC (protocolnumber 2020-059). Informed consent was obtained from all participants before the start of this study. This study was conducted according to the Declaration of Helsinki and Good Clinical Practice guidelines.
: Not applicable.
: The SpiroNose (electronic nose device) was partly sponsored by Boehringer Ingelheim for use within the department of Pulmonary Diseases. This company had no role in study design, data collection and analysis or preparation of this manuscript. This conflict applies to the author JJM. The other authors have no conflicts of interest.