1. 1st Department of Pediatrics, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece
2. Shafallah Medical Genetics Center, Doha, Qatar
3. 2nd Department of Microbiology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
4. Pathology-Genetics, Sidra Medical & Research Center, Doha, Qatar