“…From 674 hits, 20 studies were eligible for further analysis, including one RCT [214], one retrospective study [208], 4 prospective observational studies [215], [216], [217], [218], 7 case reports [200], [211], [219], [220], [221], [222], [223] (<5 patients per study), and 7 case series [209], [210], [224], [225], [226], [227], [228] (≥5 patients per study). 12 articles were published before 1980, 8 since 1994.…”