“…The NSS [18][19][20] , a well-known and widely used scale, has 7 subscales: death and dying, conflict with physicians, inadequate preparation, problems with peers and supervisors, workload, and uncertainty concerning treatment. The ERI questionnaire 21) used to assess effortreward imbalance is based on the ERI model, a theoretical concept advocated by Siegrist 22) which proposes to assess the adverse health effects of stressful experience at work [23][24][25] . This model defines stressful experience at work as an imbalance between high effort expended and low reward received.…”