Hopper, Richard https://orcid.org/0000-0003-1863-9008
Popa, Daniel https://orcid.org/0000-0002-5708-743X
Maggioni, Emanuela https://orcid.org/0000-0002-6816-1025
Patel, Devarsh
Obrist, Marianna
Landis, Basile Nicolas https://orcid.org/0000-0001-6034-3724
Hsieh, Julien Wen
Udrea, Florin
Funding for this research was provided by:
Hôpitaux Universitaires de Genève (n/a)
OWidgets Ltd, University of Cambridge, Department of Engineering
Article History
Received: 14 March 2024
Accepted: 30 September 2024
First Online: 11 October 2024
Competing interests
: The authors declare the following competing interests: E.M., R.H., and D.P. are employed by OWidgets Ltd. and are working in the field of digital odor delivery technology. M.O. and F.U. act as unpaid advisers for the company. E.M., M.O., and F.U. have >5% share interest in the company. Related patents: Title: “Generating Olfactory Experiences”. Description: System and a method of generating olfactory experiences. Application numbers: US 2021/346562 A1 (pending), EP 3784298 A1 (pending); Applicant: University of Sussex. Inventors: E.M. and M.O. Title: “Adaptive Smell Delivery System” Description: A smell delivery device with a delivery channel to produce olfactory output. Application numbers: GB 2600142 A (pending), US 2024/0000368 (pending), EP 4231898 A1 (pending), JP 2023-549141 (pending). Applicant: OWidgets Ltd. Inventors: E.M., R.H., M.O., and F.U.
: The smell test-retest reliability and accuracy study was approved by the institutional ethics review board of Geneva University Hospital and conducted according to the Declaration of Helsinki on Biomedical Research Involving Human Subjects (IRB approval: 2020-02581).
: Informed consent was obtained from all participants taking part in the study.