V V Visuvanathan1, K C Koh2. 1. (Corresponding author) MBBS MRCP, AdvMDerm International Medical University, Jalan Rasah, 70400 Seremban, Negeri sembilan Darul Khusus, Malaysia E-mail: vaani_valerie@imu.edu.my. 2. MBBs MAHE, Bsc Hons UKM, MMed International Medical University, negeri sembilan Darul Khusus, Malaysia.