Funding for this research was provided by:
Received: 7 December 2018
Revised: 9 January 2019
Accepted: 11 February 2019
First Online: 26 February 2019
Ethics approval and consent to participate
: Human cells were isolated with the consent of the patient according to Swiss (KEK-ZH: StV 7-2009) and international ethical guidelines (ClinicalTrials.gov Identifier: NCT01218945).
: Not applicable.
: The authors declare that they have no competing interests.
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