Table 2: List of Randomized Controlled Trials Excluded From the Review.

Study	N	Small sample size	Included all types of wounds	Homemade systems	Wounds with abdominal wall loss	Wounds due to fracture/ high energy trauma	Wounds at donor site
Perez et al. 2010	40			✓
Stannard et al. 2009	59					✓
Choi et al. 2009	54						✓
Bee et al. 2008	51				✓
Wild et al. 2008	10	✓
Mouës et al. 2007	54		✓
Braakenburg et al. 2006	66		✓
Stannard et al. 2006	Hematoma: 44 Fracture: 44					✓
Etoz et al. 2004	24	✓
Moisidis 2004	20	✓	✓
Jesckle et al. 2004	12	✓
Wanner 2003	22	✓
Eginton et al. 2003	10	✓
Ford 2002	28	✓
Joseph 2000	24	✓
McCallon et al. 2000	10	✓