Kawada, Tomoyuki MD; Yoshimura, Miwako RN
From the Department of Hygiene and Public Health, Nippon Medical School, Tokyo, Japan.
Address correspondence to: Tomoyuki Kawada, MD, Department of Hygiene and Public Health, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-Ku, Tokyo 113-8602, Japan ([email protected]).
Disclosure: The authors have indicated no financial support. There is no conflict of interest in the study.