 The questionnaires Short-Form of the McGill Pain Questionnaire - SF-MPQ, Douleur Neuropathique - DN4, Neuropathic Pain Symptom Inventory - NPSI, Brief Pain Inventory - BPI, Global Clinical Impression - GCI, Hospital Anxiety and Depression - HAD, Brief World Health Organization Quality of Life Questionnaire - WHOQOL-brief, Pain Catastrophizing Scale - PCS and tests Quantitative Sensory Testing - QST, olfactory threshold - OT - and discrimination - OD, taste threshold - TT, and salivatory quantification - SQ are applied as follows: 