“…Systematic case study research has already been applied to investigate the effectiveness of TA for people with long term health conditions (McLeod, 2013a;2013b) and HSCED methodology has been successfully applied to TA and widely described in this Journal by Widdowson (2012a). Recently, several HSCEDs supporting the effectiveness of TA treatment for depression (Widdowson, 2012a(Widdowson, , 2012b(Widdowson, , 2012c(Widdowson, , 2013Benelli et al, 2016aBenelli et al, , 2016bBenelli et al, , 2016c have been published, as was an additional adjudicated study, which demonstrated effectiveness of TA for mixed depression and anxiety (Widdowson, 2014). Furthermore, a related study was published on TA for emetophobia (Kerr, 2013).…”