Keywords: adenosine triphosphate bioluminescence; airborne microorganisms; alternative body warming methods; colony-forming units; conductive fabric blankets; contamination sources; cultures; decontamination; forced air warming; handheld devices; hypothermia; laminar airflow; light handles; mobile phones; normothermia; operating room air quality; operating room microbiological cleanliness; operating room temperature; swabs; ultraviolet light; ventilation.