“…Both qualitative (3, 13%) [ 23 , 27 , 38 ] and (9, 39%) quantitative studies have been performed for evaluation of PD-related self-management programs [ 21 , 22 , 26 , 30 , 31 , 32 , 34 , 39 , 40 ]. Additionally, 8 (35%) studies combined quantitative data collection with qualitative descriptive aspects for program evaluation [ 24 , 28 , 29 , 36 , 41 , 42 , 43 , 44 ].…”