can anyone tell me what kind of qualification need for become a recommended psysicians in this group?

because after i saw the recommended doctors in this group i really get confuse. some doctors work and growth of transplanted hair is really good on the other hand some doctors works and growth of teansplanted hair is really poor. but unfortunately both doctors are recommended in this group.

even same patients picture are share in different hair transplant doctor website.

here i share one picture of one patients. this same patients picture are showed in dr. bernstein ( from new york ) and also shown in dr. yv rao ( from india) .

can any one explain that?