PHD2 inactivation in Type I cells drives HIF-2α dependent multi-lineage hyperplasia and the formation of paraganglioma-like carotid bodies by Fielding, J, Hodson, E, Cheng, X, Ferguson, D, Eckardt, L, Adam, J, Lip, P, Maton-Howarth, M, Ratnayak, I, Pugh, C, Buckle, K, Ratcliff, P, Bishop, T