“…None of the included studies was a randomized controlled trial (RCT). Nine articles were prospective case-control studies (Andrade et al, 2018;Berton et al, 2018;Caliskan, Tükel, Benlidayi, & Deniz, 2017;Clemm et al, 2016;Gómez-Moreno et al, 2016Mauprivez et al, 2016;Miclotte et al, 2017;Miranda et al, 2016), four were retrospective case-control studies (Hanken et al, 2016;Kwak et al, 2018;Lababidi et al, 2018;Yagyuu et al, 2017), and five studies were retrospective (Johnston, 2015;Miller & Miller, 2018;Morimoto, Yokoe, Imai, Sugihara, & Futatsuki, 2016;Zeevi et al, 2017) and prospective (Patel et al, 2017) observational studies, reporting data from medical records. Three studies were case-series (Abayon, Kolokythas, Siu, & Elad, 2016;Breik, Cheng, Sambrook, & Goss, 2014;Hassona, Malamos, Shaqman, Baqain, & Scully, 2018).…”