Thorax support vest to prevent sternal wound infections in cardiac surgery patients—a systematic review and meta-analysis by Caldonazo, T, Dell’Aquila, M, Cancelli, G, Harik, L, Soletti, GJ, Fischer, J, Kirov, H, Rahouma, M, Ibrahim, M, Demetres, M, An, KR, Girardi, L, Doenst, T, Gaudino, M