“…The search resulted in 34 articles presenting the findings of 29 trials, including 9 uncontrolled trials (9/29, 31%) [5,6,7,8,9,10,11,12,13,14,15], 7 controlled trials (7/29, 24%) [16,17,18,19,20,21,22,23], and 13 RCTs (13/29, 45%) [24,25,26,27,28,29,30,31,32,33,34,35,36,37,38]. …”