1. Division of Cancer Epidemiology and Genetics National Cancer Institute Rockville Maryland
2. Genomics Research Center Academia Sinica Taipei Taiwan
3. Institute of Epidemiology and Preventive Medicine College of Public Health National Taiwan University and Taiwan Cancer Registry Taipei Taiwan
4. Department of Otolaryngology National Taiwan University Hospital and National Taiwan University College of Medicine Taipei Taiwan
5. Center for Pharmacogenomics and Complex Disease Research University of Medicine and Dentistry of New Jersey Newark New Jersey