1. Department of Epidemiology; University of Michigan School of Public Health; Ann Arbor Michigan
2. Department of Psychology; Eastern Michigan University; Ypsilanti Michigan
3. Department of Environmental Health Sciences; University of Michigan School of Public Health; Ann Arbor Michigan
4. Department of Epidemiology; Prince of Songkla University; Hat Yai Thailand
5. Faculty of Medicine; Khon Kaen University; Khon Kaen Thailand
6. Department of Radiology, Faculty of Medicine; Chiang Mai University; Chiang Mai Thailand
7. Lampang Cancer Hospital; Lampang Thailand
8. Cancer Registry Unit; Surat Thani Cancer Hospital; Suratthani Thailand