1. National Centre for Rare Diseases—Istituto Superiore di Sanità, Rome, Italy.
2. Department of Biochemistry and Medical Biotechnology and CEINGE Advanced Biotechnology, University of Naples Federico II, Naples, Italy.
3. Department of Developmental Biomedicine, University of Bari, Bari, Italy.
4. Section of Medical Genetics, Department of Internal Medicine and Public Medicine, University of Bari, Bari, Italy.