Fig 1.
Location information of Minamisoma city.
All WBC measurements were performed at Minamisoma Municipal General Hospital and Watanabe Hospital, both of which are located 23 km north of the Fukushima Daiichi nuclear power plant.
Fig 2.
Annual additional effective doses among children in Minamisoma between April 1st, 2012 and March 31st, 2013.
Fig 3.
Histogram of the proportion of doses attributed to external exposure with age-group specific kernel density functions.
Groups 1, 2, and 3 comprise children aged from 6 to 7 years, from 8 to 12 years, and from 13 to 15 years, respectively. The proportions of doses from external radiation exposure in Group 1, 2, and 3 are 86.3, 89.8, and 94.7%, respectively.