1. Endocrine Laboratory, Research Institute Amsterdam Gastroenterology, Endocrinology and Metabolism, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.
2. Tissue Bioengineering, U1026, F-33076, University of Bordeaux, Bordeaux, France.
3. Department of Endocrinology and Metabolism, Research Institute Amsterdam Gastroenterology, Endocrinology and Metabolism, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.