About the Author(s)
Guy A. Richards

Department of Pulmonology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
Marinda McDonald 
The Allergy Clinic, Blairgowrie, Johannesburg, South Africa
Claudia L. Gray 
Department of Paediatric Allergy, Faculty of Child Health, University of Cape Town, Cape Town, South Africa
Department of Paediatric Allergy, Private Practice, Vincent Palotti Hospital, Cape Town, South Africa
Pieter de Waal 
Department of Allergy, Pulmonology and Immunology, Faculty of Health Sciences, University of the Free State, Bloemfontein, South Africa
Private Practice, Mediclinic Panorama, Cape Town, South Africa
Ray Friedman 
Department of Otorhinolaryngology, Private Practice, Mediclinic Sandton, Sandton, South Africa
Maurice Hockman 
Johannesburg Cochlear Implant Programme, Netcare Linksfield Hospital, Johannesburg, South Africa
Sarah J. Karabus 
Allergy Division, Faculty of Health Sciences, Red Cross War Memorial Children’s Hospital, University of Cape Town, Cape Town, South Africa
Cornelia M. Lodder 
Department of Allergy and Asthma Clinic, Private Practice, George, South Africa
Tshegofatso Mabelane 
Department of Internal Medicine, Faculty of Health Sciences, Sefako Makgato Health Sciences University, Pretoria, South Africa
Sylvia M. Mosito 
Department of Otolaryngology, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
Ashen Nanan 
Department of Otorhinolaryngology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
Jonny G. Peter 
Department of Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
Traugott H.C. Quitter 
Department of Otorhinolaryngology – Head and Neck Surgery, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
Riaz Seedat 
Department of Otorhinolaryngology, Faculty of Health Sciences, University of the Free State, Bloemfontein, South Africa
Sylvia van den Berg 
Department of Immunology, Ampath Laboratories, Pretoria, South Africa
Department of Paediatrics and Child Health, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
Andre van Niekerk 
Department of Paediatrics and Child Health, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
Departments of Inborn Errors of Immunity and Allergology, Faculty of Sciences, University of Pretoria, Pretoria, South Africa
Department of Immunology, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
Eftyhia Vardas 
Department of Clinical Virology, Faculty of Health Sciences, University of Stellenbosch, Stellenbosch, South Africa
Department of Virology Allergy and Immunology, Lancet Laboratories, Johannesburg, South Africa
Charles Feldman 
Department of Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa