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