aDepartment of Epidemiology and Public Health, Kanazawa Medical University, Ishikawa, Japan
bDepartment of Preventive Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
cDepartment of Health Science, Shiga University of Medical Science, Otsu, Japan
dDepartment of Epidemiology and Biostatistics, School of Public Health, Imperial College London, UK
eMRC-HPA Centre for Environment and Health, London, UK
fDepartment of Hygiene and Epidemiology, University of Ioannina School of Medicine, Ioannina, Greece
gFirst Institute of Health Service, Japan Anti-Tuberculosis Association, Tokyo, Japan
hDepartment of Epidemiology, Fu Wai Hospital and Cardiovascular Institute, Chinese Academy of Medical Sciences, Beijing, People's Republic of China
Received 21 April, 2010
Revised 16 August, 2010
Accepted 9 September, 2010
Correspondence to Masaru Sakurai, MD, PhD, Department of Epidemiology and Public Health, Kanazawa Medical University, 1-1 Daigaku, Uchinada, Ishikawa 920-0293, Japan Tel: +81 76 286 2211; fax: +81 76 286 3728; e-mail: [email protected]