Addressing the important error of missing surgical items in an operated patient.

"Declarations Ethics approval and consent to participateThe study was approved by the institutional ethics committee and was registered at Clinicaltrials.gov (NCT04293536). All experimental protocols were approved by the Assuta Medical Centers ethics committee, reference number 0102-18-ASMC. All methods were carried out in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. The need for informed consent was waived for this study. Consent for publicationNot applicable. Competing interestsThe authors declare that they have no competing interests. Competing interests The authors declare that they have no competing interests."

"Funding No funding was received for this study."

"Trial registration Clinicaltrials.gov (NCT04293536). Date of registration: 08.01.2021. https://clinicaltrials.gov/ct2/show/NCT04293536 ."