Author response: Systemic versus oral and systemic antibiotic prophylaxis (SOAP) study in colorectal surgery: prospective randomized multicentre trial. Issue 9 (2nd June 2021) - Papp, G.; Saftics, G.; Szabó, B. E.; Baracs, J.; Vereczkei, A.; Kollár, D.; Oláh, A.; Mészáros, P.; Dubóczki, Z.; Bursics, A.