[1] Hospital Universitario Ramón y Cajal, Madrid
[2] Université Joseph Fourier, Grenoble
[3] Institut de Biologie et de Chimie des Protéines, Lyon
[4] AZ Damiaan Hospital, Oostende
[5] Military Hospital, Wroclaw
[6] Università degli Studi di Milano, Milano
[7] DG Health and Consumers, Public Health. European Comission, Brussels
[8] Uniwersytet Jagielloński, Krakow
[9] Akademia Medyczna we Wrocławiu, Wroclaw
[10] Servicio de Geriatría, Hospital Universitario Ramón y Cajal, Ctra. Colmenar, km 9,100, Madrid