Department of Molecular Genetics, Novo Nordisk A/S, Bagsvaerd, 2880, Denmark. andp@novonordisk.com|Department of Molecular Genetics, Novo Nordisk A/S, Bagsvaerd, 2880, Denmark. andp@novonordisk.com|Department of Molecular Genetics, Novo Nordisk A/S, Bagsvaerd, 2880, Denmark. andp@novonordisk.com