“…Although similar in their methodological approach, different psychometric instruments were used in the studies. The instruments used to evaluate anxiety were: 7-item Generalized Anxiety Disorder Scale (GAD-7) [ 43 , 44 , 45 , 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 , 54 , 55 , 56 , 57 , 58 , 59 ]; 2-item Generalized Anxiety Disorder Scale (GAD-2) [ 60 ]; Self-Rating Anxiety Scale (SAS) [ 61 , 62 , 63 , 64 , 65 , 66 , 67 , 68 ]; Hamilton Anxiety Scale (HAM), Depression [ 52 ], Anxiety and Stress Scale (DASS-21) [ 34 , 69 ]; Patient health questionnaire (PHQ-4) [ 70 , 71 ]; State Trait Anxiety Inventory (STAI-Y2) [ 72 ]; and Health Anxiety Inventory (HAI) [ 73 ].…”