Wie viele Menschen sind von einem Cohen-Syndrom betroffen? Gibt es bei Männern und Frauen die gleiche Prävalenz? Und in anderen Ländern?
Original
It's considered rare because it has so many variables..because of its rarity there is not enough data to confirm any prevalence..it effects both boys and girls equally ...Being genetic means from birth..you don't catch or develop it..you are born with Cohen's Syndrome..