“…Utilising the same healer(s) for all sessions was a key element of 12 out of 13 studies that had significant results [12,28,29,31,32,35,37,39,43,45,49,53]. A further seven studies maintained the same healer(s) for all sessions however results of these studies were not significant [13,27,33,40,46,47,50,55].…”