“…57,59,65,68,70,75,82,85 Four studies compared a multimodal program including exercises, with a multimodal program without exercises, 66, 78, 79, 86 and 24 studies compared two multimodal programs (identical PT modalities) including different exercises with each other. 56, 58-64, 66, 67, 69, 71-74, 76-78, 80, 81, 83, 84, 87, 88 Treatment period varied from 1 session 66 to 2 years 85 , with 4 weeks 61,63,72,73,75,84,86,88,89 as most common period. Other treatment durations were 2 weeks, 57,74,77,78,80 3 weeks, 59,64,79,87 5 weeks, 56, 65 6 weeks, 68, 69, 82 8 weeks 58, 62 and 12 weeks.…”