Author Year Number Gender (M:F) Age Location (U/M/L) Size (mm)
Choi & Oh 2000 9 NA NA 9/0/0 NA
Matthews et al. 2002 3 NA NA 3/0/0 NA
Walsh et al. 2003 11 NA NA 11/0/0 24-85
Uchikoshi et al. 2004 7 NA NA 7/0/0 27-75
Schubert et al. 2005 7 NA NA NA NA
Li et al. 2008 3 0:3 77 2/1/0 28(20-40)
Na et al. 2011 7 3:4 65 6/1/0 27(23-38)
Sahm et al. 2011 7 NA NA NA 38(28-48)
Current study   13 5:8 60.6 10/3/0 27(10-65)
NA: not available
Table 3: The review of the literature (basic data).