“…Two hundred and thirty-seven papers published between 2013 and 2017 were screened (Cochrane = 89, PubMed = 38, Embase = 107, Psycinfo = 3), of which seven were assessed for eligibility. Only one was included in this study (Koenig et al, 2015a(Koenig et al, , 2015b since five studies were different analyses conducted on the same sample (Koenig et al, 2014(Koenig et al, ,2015a(Koenig et al, ,2016a(Koenig et al, , 2016bPearce et al, 2015a) and one did not satisfy the definition of a randomized clinical trial (Koenig, 2014b). See Fig.…”