World Health Organization SCIs are defined as serious injury http://www.who.int/mediacentre/factsheets/fs384/en/ http://www.who.int/mediacentre/factsheets/fs384/en/ spinal cord injury 40 to 80 cases of paralysis per million people spinal cord injury World Health Organisation World Health Organization spinal cord injury spinal cord injuries World Health Organisation spine or back injury http://www.who.int/mediacentre/factsheets/fs384/en/ WHO: Spinal Cord Injury Fact Sheet World Health Organization World Health Organization car accidents http://www.who.int/mediacentre/factsheets/fs384/en/ World Health Organization worldwide 40 to 80 cases of paralysis per million people worldwide http://www.who.int/mediacentre/factsheets/fs384/en/ worldwide World Health Organisation 40 à 80 cas de paralysie par million d’habitants World Health Organization