<qa>  What was the name of the questionnaires that each participant fulfilled prior to the therapy?Prior to the either therapy as well as after the therapy one month after the therapy has finished every participant fulfilled following questionnaires: visual analogue scale VAS which referred to the severity of burning symptoms, Beck depression inventory BDI, The Leeds assessment of neuropathic symptoms and signs LANSS Pain Scale, 36-item short form Health Survey SF-36 total sum score and Montreal Cognitive Assessment MoCA. 