(FILES) In this file photo taken on December 30, 2013 a fan displays Ferrari flags in front of the Grenoble University Hospital Centre, French Alps, where Michael Schumacher, the retired seven-time Formula One world champion remained in a critical condition after an off-piste skiing accident. - Absolute reference of the Formula 1, Michael Schumacher, will turn 50 years old on January 3, 2019. The seven-time world champion was victim five years ago, on December 29, 2013 of a ski accident, leaving him in a precarious state of health. The family never wanted to communicate on the matter but according to renowned neurologists, the German pilot, technically out of the coma, might be in a vegetative state. (Photo by Philippe DESMAZES / AFP)