Funding for this research was provided by:
Ipsen Fund (This project was supported by an educational grant of Ipsen made available to the UMCG)
Received: 27 August 2018
Accepted: 17 February 2019
First Online: 28 February 2019
Ethics approval and consent to participate
: The study was approved by the medical ethical committee of the UMCG. Results were reviewed at regular intervals by an independent data monitoring and ethical committee.
: Not applicable.
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