<prompt> Which of these scoring systems is helpful in assessing severity of wound infection and is used for research and surveillance?Southampton grading scaleASA classificationGlasgow scoreAPGAR  <response>: - Commonly using grading system: Southampton grading scale Asepsis score Southampton Wound Grading System 0: Normal healing Ia: Some bruising Ib: Considerable brusing Ic: Mild erythema I: Normal healing with mild bruising or erythema IIa: At one point IIb: Around sutures IIc: Along wound IId: Around wound II: Erythema plus other signs of inflammation IIIa: At one point only 2cm IIIb: Along wound 2 cm IIIc: Large volume IIId: prolonged 3 days IV: Pus IVa: At one point only 2 cm IVb: Along wound 2cm 