“…The registration status of five included trials was indeterminate (Cao, Tian, Chen, & Jiang, ; Cobbing, Hanass‐Hancock, & Myezwa, ; Jensen, Kiesbye, Soendergaard, Jensen, & Kristensen, ; Salameh et al, ; Valiee, Razavi, Aghajani, & Bashiri, ). When we checked the registration status of the Cobbing et al () trial, the registration number in the paper was not listed in the registry (South African National Clinical Trials Registry).…”