1. Institute of Biological Sciences, Faculty of Science, University of Malaya; Kuala Lumpur Malaysia
2. Molecular Pathology Unit, Cancer Research Centre, Institute for Medical Research; Kuala Lumpur Malaysia
3. Laboratory for Pharmacogenetics; RIKEN Center for Integrative Medical Sciences, Tsurumi-Ku; Yokohama Kanagawa Japan
4. Laboratory for Genotyping Development; RIKEN Center for Integrative Medical Sciences, Tsurumi-Ku; Yokohama Kanagawa Japan
5. Department of Pathology; Faculty of Medicine, University Technology MARA (UiTM); Malaysia
6. Department of Otorhinolaryngology; Faculty of Medicine, University of Malaya; Kuala Lumpur Malaysia
7. Department of Otorhinolaryngology; Pulau Pinang General Hospital; Georgetown Pulau Pinang Malaysia
8. Department of Surgery; Faculty of Medicine and Health Sciences, Universiti Putra Malaysia; Serdang Selangor Malaysia
9. Department of Otorhinolaryngology; Kuala Lumpur General Hospital; Kuala Lumpur Malaysia
10. Cancer Research Malaysia, Sime Darby Medical Centre; Subang Jaya Selangor Malaysia
11. Tung Shin Hospital, Jalan Pudu; Kuala Lumpur Malaysia
12. Department of Medicine; University of Chicago; Chicago IL
13. Department of Otorhinolaryngology; Queen Elizabeth Hospital; Kota Kinabalu Sabah Malaysia