Table 2.

Characteristics of excluded studies

Authors (Year)	Reason of Exclusion
Çakçak DS, Karakas AA, Tosun O, Kacaroglu H, Alpsoy E 2016[15]	Did not meet the inclusion criteria
Abdel-Haq A, Kusnierz-Cabala B, Darczuk D, Sobuta E, Dumnicka P, Wojas-Pelc A, Chomyszyn-Gajewska M 2014[16]	Did not meet the inclusion criteria
Mignogna MD, Russo LL, Fedele S 2005[17]	Case series
Miricescu D, Totan A, Calenic B, Mocanu B 2015[18]	Did not meet the inclusion criteria
Bianco L, Romano F, Maggiora M, Bongiovanni L, Guzzi N, Curmei E, et al. 2019[19]	Did not meet the inclusion criteria
Stone SJ, McCracken GI, Heasman PA, Staines KS, Pennington M 2013[20]	Did not meet the inclusion criteria
Guiglia R, Di Liberto C, Pizzo G, Picone L, Lo Muzio L, Gallo PD, et al. 2007[21]	Did not meet the inclusion criteria