The leader of the sanitarium tells the two main characters that Uffe was 8 years old when he had his brain injury in the car accident. But we are also told that Uffe was born on the 10th of may 1982 and that the accident, that gave Uffe his brain injury, happened on the 23rd of December 1988, making Uffe 6 when he got his brain injury.
The main villain, Lars, is sent to the orphanage in 1991. Before this he set in the care of foster parents. In the living room these foster parents there is a combination VHS-DVD machine, which did not appear at least 15 years later.