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Authors
Werkhäuser, Nina https://orcid.org/0000-0002-3368-7537
Bilstein, Andreas
Mahlstedt, Kathrin
Sonnemann, Uwe
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Funding
Funding for this research was provided by:
bitop AG
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Article History
Received: 2 March 2021
Accepted: 26 May 2021
First Online: 4 June 2021
Declarations
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: NW is an employee of bitop AG, a company where medical devices, including Ectoin<sup>®</sup> containing nasal spray and eye drops, are developed and registered. At the time of the study conduction, AB was also an employee of bitop AG. US and KM received payment from bitop AG to conduct the study.
: The study was conducted in accordance with the principles of the Declaration of Helsinki, Good Clinical Practice, ISO 14155, the study protocol, and current regulations. In compliance with §23b of the Medical Device Act (MPG) and with recommendations for observational studies [Medicinal Products Act (AMG)], study documents were evaluated by the Ethics Committee before initiating the study.
: All named authors meet the International Committee of Medical Journal Editors (ICMJE) criteria for authorship for this article, take responsibility for the integrity of the work as a whole, and have given their approval for this version to be published.
: Informed consent was obtained from all individual participants included in the study.
