Table 1.

List of excluded studies along with reasons for exclusion.

Reason for Exclusion	Study Name
Article format (review, conference proceedings, comments, editorials or letters)	Aardema, F. [22]; Banerjee, D.D. et al. [23]; Dennis, D. et al. [24]; Fineberg, N.A. et al. [25]; Fontenelle, L.F. [26]; Jassi, A. et al. [27]; Kumar, A. et al. [28]; Guzick, A.G. et al. [16]; Liu, W. et al. [29]; Ornell, F. et al. [30]; Sheu, J.C. et al. [31]; Sulaimani, M.F. et al. [32]; Uzunova, G. [33]; Zaccari, V. et al. [21].
Characteristics of sample: only adult participants included	Abba-Aji, A. et al. [34]; Acenowr, C.P. et al. [35]; Alateeq, D.A. et al. [20]; Alhujaili, N. et al. [36]; Loosen, A.M. et al. [37]; Alonso, P. et al. [19]; Tandt, H.L. et al. [38]; Benatti, B. et al. [39]; Chakraborty, A. et al. [40]; Davide, P. et al. [41]; Fang, A. et al. [42]; Fontenelle, L.F. et al. [43]; Hassoulas, A. et al. [44]; Højgaard, D.R.M.A. et al. [45]; Jelinek, L. et al. [46]; Jelinek, L. et al. [47]; Jelinek, L. et al. [48]; Ji, G. et al. [49]; Khosravani, V. et al. [50]; Khosravani, V. et al. [51]; Liao, J. et al. [52]; Meșterelu, I. et al. [53]; Rosa-Alcázar, Á. et al. [54]; Rosa-Alcázar, Á. et al. [55]; Pinciotti, C.M. et al. [56]; Rivera, R.M. et al. [57]; Samuels, J. et al. [58]; Sharma, L.P. et al. [59]; Tandt, H.L.N. et al. [60]; Wheaton, M.G. et al. [61]; Wheaton, M.G. et al. [62]; Zaccari, V.et al. [63]; Zheng, Y. et al. [64].
Study design: case report or case series, intervention study	Alkhamees, A.A. [65]; Carmi, L. et al. [66]; French, I. et al. [67]; Hosseini, S.V. et al. [68]; Jain, A. et al. [69]; Jansen, T. et al. [70]; Kumar, P. et al. [71]; Sejdiu, A.; et al. [72]; Sowmya, A.V. et al. [73]; Uvais, N.A. et al. [74]