Haim Werner1,2, Lena Lapkina-Gendler1, Zvi Laron3. 1. Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel. 2. Yoran Institute for Human Genome Research, Tel Aviv University, Tel Aviv, Israel. 3. Endocrine and Diabetes Research Unit, Schneider Children's Medical Center of Israel, Petah Tikva, Israel.