“…Of the model-based studies, eight studies used a Markov model [14,15,17,19,[21][22][23]27] and five used a decision tree [16,18,20,28,29]. Sixteen studies were CUA [14-17, 19-26, 30, 31, 34, 38], four were CEA [28,29,32,37], four were CCA [18,27,35,40], one was a CMA [33] and one was a CBA [36]. Fifteen studies reported a health service perspective [17, 19-22, 24-29, 32-34, 38], two studies reported a societal perspective [14,37], one study reported a third-party payer perspective [16], two studies reported a public payer perspective [30,31] and six studies did not report a perspective [15,18,23,35,36,40].…”