Spastic paraplegia preceding PSEN1‐related familial Alzheimer's disease oleh Viorica Chelban, Marianthi Breza, Maria Szaruga, Jana Vandrovcova, David Murphy, Chia‐Ju Lee, Sondos Alikhwan, Thomas Bourinaris, George Vavougios, Muhammad Ilyas, Sobia Ahsan Halim, Ahmed Al‐Harrasi, Chrisoula Kartanou, Coras Ronald, Ingmar Blumcke, Athanasia Alexoudi, Stylianos Gatzonis, Leonidas Stefanis, Georgia Karadima, Nicholas W. Wood, Lucía Chávez‐Gutiérrez, John Hardy, Henry Houlden, Georgios Koutsis