1. Division of Allergy and Clinical Immunology, Department of Medicine; Johns Hopkins University (JHU); Baltimore; Maryland
2. Department of Epidemiology, Bloomberg School of Public Health; Johns Hopkins University; Baltimore; Maryland
3. National Genome Center at Howard University; Washington; DC
4. Servico de Imunologia; Hospital Universitario Professor Edgard Santos; Salvador; Bahia; Brazil
5. ProAR - Nucleo de Excelencia em Asma; Federal University of Bahia and CNPq; Salvador; Bahia; Brazil
6. Faculty of Medicine; University of the West Indies; Cave Hill Campus; Barbados
7. Institute for Immunological Research; University of Cartagena; Cartagena; Colombia
8. Tropical Medicine Research Institute; The University of the West Indies; Jamaica; West Indies
9. Biostatistics, Bloomberg School of Public Health; Johns Hopkins University; Baltimore; Maryland