[1] Seoul National University College of Medicine,Department of Preventive Medicine
[2] National Cancer Institute,Division of Cancer Epidemiology and Genetics
[3] Roswell Park Cancer Institute,Department of Epidemiology
[4] DNA Link Inc.,Department of Surgery
[5] Seoul National University College of Medicine,Department of Surgery
[6] Ulsan University College of Medicine,Department of Social and Preventive Medicine
[7] Hallym University College of Medicine,Department of Preventive Medicine
[8] Ewha Womans University,Cancer Research Institute
[9] Korea National Cancer Center,undefined
[10] Seoul National University,undefined