This is a preview of subscription content, to check access. Price excludes VAT (USA) Tax calculation will be finalised during checkout. Instant access to the full article PDF. Rent this article via DeepDyve Acknowledgements All IR technicians, IR secretaries, anesthetists, anesthesia nurses, clinicians and the hospital administration, past and present. Special thanks to Prof A. Gangi for his constant encouragement and support. Funding This study was not supported by any funding.
