1. Department of Dermatology and Venereology, Hamad Medical Corporation, Weill Cornell Medicine-Qatar, Doha, Qatar
2. Allergy and Immunology Division, Department of Pediatrics, Sidra Medicine, Doha, Qatar
3. Department of Dermatology, Hamad Medical Corporation, Al Wakra Hospital, Al Wakrah, Qatar
4. Department of Dermatology, Hamad Medical Corporation, Al Khor Hospital, Al Khor, Qatar
5. Dermatology Department, Rumailah Dermatology Hospital, Hamad Medical Corporation, Doha, Qatar
6. Dermatology Department, Al Ahli Hospital, Doha, Qatar
7. Dermatology Department, Al Emadi Hospital, Doha, Qatar
8. Dermatology Unit, Primary Health Care Corporation, Doha, Qatar
9. Adult Allergy and Immunology Division, Department of Medicine, Hamad Medical Corporation, Doha, Qatar