1. College of Life Science, Longyan University, Longyan, P.R. China.
2. Cancer Epidemiology Division, Population Sciences in the Pacific Program, University of Hawaii Cancer Center, University of Hawaii at Manoa, Honolulu, Hawaii, USA.
3. Fujian Provincial Key Laboratory for the Prevention and Control of Animal Infectious Diseases and Biotechnology, Longyan, P.R. China.
4. Fujian Provincial Universities Key Laboratory of Preventive Veterinary Medicine and Biotechnology (Longyan University), Longyan, P.R. China.
5. Department of Statistics, Florida State University, Tallahassee, Florida, USA.
6. Department of Quantitative Health Sciences, John A. Burns School of Medicine, University of Hawaii at Manoa, Honolulu, Hawaii, USA.
7. Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.