Funding for this research was provided by:
National Institutes of Health (UC4DK104119)
Israel Science Foundation (1506/12)
British Israel Research and Academic Exchange (14BX14NHBG)
Received: 28 February 2017
Accepted: 2 May 2017
First Online: 8 June 2017
: Related work in our laboratories is supported through NIH grants (UC4DK104119; to BG and DA), the BIRAX Regenerative Medicine Initiative (14BX14NHBG; to BG) and the Israel Science Foundation–JDRF Joint Program in Type 1 Diabetes Research (1506/12; to BG).
: The authors declare that there is no duality of interest associated with this manuscript.
: All authors were responsible for drafting the article and revising it critically for important intellectual content. All authors approved the version to be published.
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