1. GastroenterologyCenter for Gastric CancerKyungpook National University HospitalDaeguKorea
2. Department of Internal MedicineCenter for Cancer Prevention and DetectionGoyangKorea
3. Department of PathologyCenter for Gastric CancerGoyangKorea
4. Molecular Epidemiology BranchNational Cancer CenterGoyangKorea
5. BiostatisticsKyungpook National University Hospital and School of MedicineDaeguKorea