Table 5.

Study duration of included studies.

Study	Study duration
Minkoff and Axelrod [99]	12 weeks
Nagata et al. [100]	12 weeks
Schiff et al. [101]	12 weeks
Pradeep and Sharma [98]	8 weeks
Schiff et al. [102]	8 weeks
Schiff et al. [103]	8 weeks
Sowinski et al. [105]	8 weeks