Table 1.

Characteristics of patients N=6

Patient	Characteristics
Patient 1	Female, 39 years old, diabetic PNP with diabetes since 2009, symmetrical feet pain paresthesias, and burning sensation in soles
Patient 2	Female, 62 years old with PNP in soles and toes after boreliosis in 2012
Patient 3	Male, 76 years old, idiopathic PNP: tingling and sharp sensation in sole and heel of left leg for 20 years
Patient 4	Male, 78 years old, idiopathic PNP of left leg with tingling in heel and sole
Patient 5	Male, 46 years old, spinal cauda equina injury after trauma due to motorbike accident in 1989 with CRPS and after failed SCS trial
Patient 6	Male, 55 years old, diabetic PNP lasting 4 years with diabetes in both feet with the predominance on the right side

Abbreviations: CRPS, complex regional pain syndrome; PNP, peripheral neuropathic pain; SCS, spinal cord stimulation.