| Authors: |
Hallbauer UM; Department of Paediatrics and Child Health, University of the Free State, Bloemfontein 9300, South Africa hallbute@ufs.ac.za., Atkins MD; Department of Paediatrics and Child Health, University of the Free State, Bloemfontein 9300, South Africa., Tiedt NJ; Department of Otorhinolaryngology, University of the Free State, Bloemfontein 9300, South Africa., Butler IR; Department of Otorhinolaryngology, University of the Free State, Bloemfontein 9300, South Africa., Pieters M; Department of Medical Microbiology, NHLS and University of the Free State., Elliott E; Department of Medical Microbiology, NHLS and University of the Free State., Joubert G; Department of Biostatistics, University of the Free State, Bloemfontein 9300, South Africa., Seedat RY; Department of Otorhinolaryngology, University of the Free State, Bloemfontein 9300, South Africa. |