Autism Classification Using SMRI: A Recursive Features Selection Based on Sampling from Multi-Level High Dimensional Spaces. - Mohamed T. Ali; Yaser A. Elnakieb; Ahmed Shalaby 002; Ali H. Mahmoud; Andy Switala; Mohammed Ghazal; Adel Khelifi; Luay Fraiwan; Georgy Barnes; Ayman El-Baz (ISBI, 2021)