Besides the Ability to Provide Verbal Feedback, Using Microneurography on Humans

Besides the ability to provide verbal feedback, using microneurography on humans offers which other advantage over that if using other animals?

A) Human skin is more sensitive than that of other animals.
B) Humans have a smaller surface area (skin) -to-volume ratio.
C) Human skin is thinner than that of other animals
D) Humans have little-to-no hair, the presence of which will confound the findings obtained in microneurography and must be shaved off if using other animals.
E) Ultimately, the goal is to be able to map the sensory receptive fields in humans; other animals are used when using humans is ethically, morally or legally inappropriate.