You will see the opinions of real people like you who bought the services and products of Dr. Gregory Knoll, C.Psych (Doctor) in the territory close to Brantford (Canada).
Now this firm is without feddbacks, which is not bad by itself.
As you know, we do not usually bother to set opinions when they are positive and we usually do it only if we have had a problem or incidence...
This Doctor corresponds to the category of Psychologist.