Table 2. Age Distribution of All of The 24 Patients Provided with Detailed Information

Range of Age(unit in year)	Frequency
< 10	9
10 ≦ < 20	4
20 ≦ < 30	3
30 ≦ < 40	1
40 ≦ < 50	5
50 ≦ < 60	2

In regards to the patients not counted in the table above, 106 patients from a case report¹³⁾ showed age distribution of 68.9% of under 19 and 31.1% of 19 or above. A literature review¹⁸⁾ of Chinese clinical studies didn’t present with patients’ age.