American College of Gastroenterology [14] |
1999 |
Yes |
Aldoori et al. [15] |
Yes |
Brodribb [16], Ornstein et al. [17] |
Not mentioned |
|
European Association for Endoscopic Surgery [18] |
1999 |
Yes |
Brodribb and Humphreys [19], Gear et al. [20] |
Yes |
Brodribb [16] |
Yes |
None |
American Society of Colon and Rectal Surgeons [21] |
2006 |
Not mentioned |
|
Not mentioned |
|
Yes |
Larson et al. [22], Painter [23] |
World Gastroenterology Organization [24] |
2007 |
Yes |
Painter and Burkitt [6] Talbot [25] |
Yes |
Nair and Mayberry [26], Aldoori et al. [15] |
Not mentioned |
|