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Authors
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Funding
Funding for this research was provided by:
Merck Pharma
Energy-Lab Technologies
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Article History
Received: 4 August 2020
Accepted: 23 February 2021
First Online: 11 March 2021
Declarations
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: The study protocol was approved by the ethical committee of Hamburg and conducted according to the principles of the ‘Declaration of Helsinki’. Written informed consent was obtained from all participants. The study was registered in the German Clinical Trials Registry No. DRKS00015209 ().
: N/A.
: The authors declare that they have no competing interests.
