“…Six studies reported performance improvement in the form of structured skills-based assessments or knowledge-based questionnaires on understanding of the speciality [ 16 , [19] , [20] , [21] , [22] , [23] ]. Six studies assessed the knowledge of students through randomly distributed questionnaires [ 6 , 9 , 10 , 14 , 15 , 18 ]; another six with questionnaires distributed after learning modules [ 16 , [19] , [20] , [21] , [22] , [23] ]. Five of the former studies mentioned used a pre and post-intervention survey to test for improvement after the relevant learning modules [ 16 , [19] , [20] , [21] , [22] ].…”