1. All of the plaintiffs' claims are dismissed.

2. The costs of lawsuit are assessed against the plaintiffs.

1. Basic facts

A. Plaintiff B and C are the parents of Plaintiff A, and Defendant School Foundation D (hereinafter “Defendant Corporation”) is the operator of the F Hospital located in Dongjak-gu Seoul Metropolitan Government E (hereinafter “Defendant Hospital”).

B. The plaintiff C affixes the 35th day of pregnancy

G. At around 01:50, at the Defendant hospital, the Plaintiff gave birth to the Plaintiff A by nature only, and due to early childbirth, the medical staff at the Defendant hospital was born to the low body of 2.178 km, and the Plaintiff A transferred the Plaintiff to the newborn middle patient room and started intensive treatment.

C. On May 4, 2011, at around 07:02 on May 5, 2011, the medical professionals at Defendant Hospital measured that the monthly symptoms were observed by the Plaintiff A, and that the gross fluorine (the normal range 0.3~1.3mg/dl) was higher than the normal range of 8.6mg/dl on May 5, 2011, the following day, at around 09:39:39, around 15.7mg/dl, the medical professionals at Defendant Hospital began to treat the Plaintiff A from around 11:00.

After that, the medical personnel of the Defendant Hospital conducted on May 6, 201, 07:41, the blood test conducted on and around 07:41, and the gross fluorine value of the Plaintiff’s blood was measured by 21mg/dl, and the Defendant Hospital conducted brutal treatment by increasing the number of fluorine by 2 times the fluoral frequency. On the same day, the blood test conducted around 15:04 conducted on and around 15:04, the gross fluorine value of the Plaintiff’s blood was increased by 22mg/dl, and continued to provide brut treatment by increasing the number of fluoral

E. As a result of the blood examination conducted on May 6, 201, around 22:25, the medical personnel of the Defendant Hospital confirmed that the gross fluorine value of the Plaintiff’s blood transfusion increased up to 24.3g/dl, and continued to implement the fluoral and intensive bluoral ray Act against the Plaintiff, and thereafter, the number of gross fluorines in the blood transfusion of the Plaintiff A decreased gradually by around 20.5g/dl on May 7, 201, around 07:56, around 20.5g/dl, around 18:17, around 18:17; and around 07:18, May 8, 2011.

F. On May 8, 2011, the medical personnel of the Defendant Hospital began to observe the symptoms of Bronze BabS Syndrome group, such as changing the skin color of Plaintiff A into a refluorial color, and immediately ceased to provide light treatment.

G. The medical personnel of the Defendant Hospital are medical personnel of the Defendant Hospital on May 9, 2011.