“…Despite their increasing application in a wide range of therapeutic services, the empirical evidence base of AAAs is limited (Beetz, Uvnas-Moberg, Julius, & Kotrschal, 2012;Munoz Lasa et al, 2015). There are only few randomized studies which have investigated the effect of AAA, as listed in Table 1 (Borgi et al, 2016;Calcaterra et al, 2015;Cole, Gawlinski, Steers, & Kotlerman, 2007;Friedmann et al, 2015;Harper et al, 2015;Ko, Youn, Kim, & Kim, 2015;Majic, Gutzmann, Heinz, Lang, & Rapp, 2013;Menna, Santaniello, Gerardi, Di Maggio, & Milan, 2015;Nurenberg et al, 2015;Vagnoli et al, 2015;Wohlfarth, Mutschler, Beetz, Kreuser, & Korsten-Reck, 2013). Most of these studies were carried out in patients with psychiatric disorders.…”