1. | Insomnia Severity Index (ISI) [13] |
2. | Pittsburgh Sleep Quality Index (PSQI) [14] |
3. | Epworth Sleepiness Scale (ESS) [15] |
4. | Functional Assessment of Chronic Illness Therapy Fatigue (FACIT-F) Scale [16] |
5. | Graded Chronic Pain Scale (GCPS) [17] |
6. | Patient Health Questionnaire-9 (PHQ-9) [18] |
7. | Generalized Anxiety Disorder-7 scale (GAD-7) [19] |
8. | Short Form 12-item health survey (SF-12) [20] |