It is possible for someone to spend several weeks in an induced coma and make a full recovery. But Professor Gary Hartstein, Formula One’s chief medic between 2005 and 2012, said: “It is extremely unlikely, and I’d honestly say virtually impossible, that the Michael we knew prior to this fall will ever be back.” Wife Corinna, 44, with whom the champion has two children Gina Marie, 16, and Mick, 14, has remained at his bedside.