This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Which of the following HLA gene increases the risk of Steven Johnson syndrome with usage of Carbamazepine 
Select and explain. 
A. HLAB1330, B. HLAB5801, C. HLAB1502, D. HLAB5701
C: HLAB1502
Answer: C: HLAB1502 
Explanation: None