36-Item Short Form Health Survey(6) pulsed radiofrequency(3) Herpes Zoster Ophthalmicus(3) visual analog scale.(3) Numeric Rating Scale(3) neuropathic pain(3) COVID-19(3) trigeminal herpes zoster(3) peripheral nerve stimulation.(3) Stage(2) Stimulation(2) Auricular(2) report(2) Vagus(2) Transcutaneous(2) nerve(2) spinal cord stimulation(1) chronic pain(1) pandemic.(1) remote programming(1) telemedicine.(1) intrathecal pump(1) coronavirus(1)