Received: 23 March 2018
Accepted: 28 May 2018
First Online: 5 June 2018
Ethics approval and consent to participate
: The investigations were performed in compliance with the principles of good clinical practice outlined in the Declaration of Helsinki and federal guidelines, and approval from the Medias Institutional Review Committee was acquired. Informed consent was obtained from each participant or the participant’s guardian.
: Consent for publication was obtained from every individual whose data are included in this manuscript.
: The authors declare that they have no competing interests.
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