The SAS was used to measure the levels of anxiety the mood of the medical staff [17]. The SAS questionnaire contained 20 items consisting of four grades, with questions based on feelings of anxiety and mood in the previous seven days. An aggregate score of 20 was then multiplied by 1.25, with higher scores indicating more severe levels of anxiety [17]. The Cronbach’s alpha for internal consistency for the use of the SAS was 0.821.