Table 2.

NHMRC levels of evidence.

Study	NHMRC level of evidence
Cha et al. (2018)	III-3
Kramer et al. (2015)	IV
Peters et al. (2015)	IV
Scocco et al. (2019)	IV
Supiano et al. (2017)	IV
Visser et al. (2014)	III-3
Wittouck et al. (2014)	II
Zisook et al. (2018)	II