Studies selected for review
| Study No. | Study Name | Year | No. of Patients Studied |
|---|---|---|---|
| 1 | Forteza et al4 | 1999 | 5 |
| 2 | Sulek et al20 | 1999 | 22 |
| 3 | Edmonds et al17 | 2000 | 23 |
| 4 | Rodriguez et al11 | 2001 | 13 |
| 5 | Rodriguez et al12 | 2001 | 4 |
| 6 | Riding et al15 | 2004 | 41 |
| 7 | Rodriguez et al19 | 2005 | 37 |
| 8 | Kalairajah et al18 | 2006 | 24 |
| 9 | Koch et al8 | 2007 | 24 |
| 10 | Barak et al5 | 2008 | 22 |
| 11 | Gray et al6 | 2008 | 20 |
| 12 | Gray et al22 | 2009 | 20 |
| 13 | Patel et al13 | 2009 | 24 |
| 14 | Patel et al7 | 2010 | 45 |