Stigma on epileptic patients attending the outpatient clinic of Soba University Hospital and the National Center for Neurological Science (NCNS) Khartoum, Sudan oleh Muwada Bashir Awad Bashir, Shahd Mohammed Abdalla, Ngwayu Claude Nkfusai, Frankline Sanyuy Nsai, Rosaline Yumumkah Cumber, Joyce Mahlako Tsoka-Gwegweni, Samuel Nambile Cumber