** FILE ** In this Jan. 22, 2013, file photo Olten's Ronny Keller plays the puck during the Swiss national hockey match between HC La Chaux-de-Fonds and HC Oltenin La Chaux-de-Fonds, Switzerland. Doctors treating Swiss ice hockey player Keller say Thursday, March 7, 2013, he has been left paralyzed by his injuries sustained during a playoff game on Tuesday. (AP Photo/Keystone, Sandro Campardo, File)

Photo by: Sandro Campardo

** FILE ** In this Jan. 22, 2013, file photo Olten's Ronny Keller plays the puck during the Swiss national hockey match between HC La Chaux-de-Fonds and HC Oltenin La Chaux-de-Fonds, Switzerland. Doctors treating Swiss ice hockey player Keller say Thursday, March 7, 2013, he has been left paralyzed by his injuries sustained during a playoff game on Tuesday. (AP Photo/Keystone, Sandro Campardo, File)