Reinhardt, Belinda
Klocke, Astrid
Neering, Sarah H.
Selbach, Sabine
Peters, Ulrike
Flemmig, Thomas F.
Beikler, Thomas http://orcid.org/0000-0002-9481-5256
Article History
Received: 17 June 2018
Accepted: 16 January 2019
First Online: 6 February 2019
Compliance with ethical standards
:
: Thomas Flemmig is an inventor with patents covering the fine-grain, low-abrasive glycine powder used in the present study. To safeguard against the conduct and outcomes of the clinical trial being influenced by a potential conflict of interest, Thomas Flemmig refrained from any sensitive elements of the clinical trial, including patient consent, direct data scoring, statistical analysis of data, and adverse event evaluation and reporting.No other investigators had any conflicts of interest related to this study.
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional review board of the Heinrich-Heine-University, Germany (protocol number 3519).
: Informed consent was obtained from all individual participants included in the study.