This study was funded by University Teknology MARA (UiTM) Excellent Fund. Prior to the study
commencement an approval was obtained from Research Management Unit, UiTM, Pulau Pinang. Verbal
consents were obtained from the patients and an official approval was obtained from PUSRATU
concurrently. The patients were assured that participation in the study would not affect their treatment at
any time, and are allowed to withdraw from the study any time.