Dimerization of complement factor H-related proteins modulates complement activation in vivo - de,Jorge EG; Caesar,JJE; Malik,TH; Patel,M; Colledge,M; Johnson,S; Hakobyan,S; Morgan,BP; Harris,CL; Pickering,MC; Lea,SM (PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2013)