Funding for this research was provided by:
Technische Universität Dresden (IN-1502335)
Article History
Received: 9 August 2018
Accepted: 6 November 2018
First Online: 20 November 2018
Ethics approval and consent to participate
: The present study was approved by the Ethics Committee of the Technische Universität Dresden, Germany (EK232062011), and only individuals who provided written informed consent were included as study participants.
: Not applicable.
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