Frobell RB, Wirth W, Nevitt M, Wyman BT, Benichou O, Dreher D, Davies RY, Lee JH, Baribaud F, Gimona A, Hudelmaier M, Cotofana S, Eckstein F, OA Initiative investigators
Wirth W, Nevitt M, Hellio Le Graverand MP, Benichou O, Dreher D, Davies RY, Lee J, Picha K, Gimona A, Maschek S, Hudelmaier M, Eckstein F, OAI investigators