“…Eligible studies included 2 prospective studies 6,18 (1 prospective multicenter nonrandomized trial 18 ), 4 observational studies, 10,14–16 and 9 case reports. 4,5,7–9,11–13,17 Quality assessment of the 6 case series using the MINORS scale returned a mean of 9.8 out of a maximum of 16 (Table 3). Using the NOS (Table 4), all 6 studies rated 3 out of 4 stars for cohort selection but received low scores (1 star) in other applicable items, with the exception of 2 prospective studies 6,18 that rated 3 out of 3 stars for outcome.…”