aDepartment of Environmental Medicine and Population Sciences, Graduate School of Medicine, Osaka University, Osaka
bKyoto Medical Science Laboratory, Kyoto
cDivision of Molecular and Clinical Epidemiology
dDivision of Epidemiology and Prevention, Aichi Cancer Center Research Institute
eDepartment of Epidemiology, Nagoya University Graduate School of Medicine, Nagoya
fEpidemiology and Prevention Group, Research Center for Cancer Prevention and Screening, National Cancer Center, Tokyo, Japan
Correspondence to Yuquan Lu, PhD, Department of Environmental Medicine and Population Sciences, Graduate School of Medicine, Osaka University, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan Tel/fax: +81 6 6879 3923; e-mail: [email protected]