1 Division of Pediatrics, Sidra Medicine, Doha, Qatar.
2 Division of Pediatric Infectious Diseases, Sidra Medicine, Doha, Qatar.
3 Division of Microbiology, Sidra Medicine, Doha, Qatar.
4 Division of Microbiology, Sidra Medicine, Doha, Qatar; Weill Cornell Medical College in Qatar, Doha, Qatar.
5 Division of Microbiology, Sidra Medicine, Doha, Qatar; Weill Cornell Medical College in Qatar, Doha, Qatar. Electronic address: aperezlopez@sidra.org.