Figure 1.

Study flowchart. 119 possible participants were approached, of whom 81 participants were excluded by the research team due to several reasons. In a second step, a rehabilitation physician invited 38 potential participants for a consultation to inform patients about rehabilitation treatment possibilities and check the indication for treatment. With this additional information, 17 persons refrained from treatment. At the end, 21 participants were included.

Abbreviations: IENFD, intra-epidermal nerve fiber density; SFN, small fiber neuropathy.