[1] Univ Tasmania, Menzies Inst Med Res, Hobart, Tas, Australia
[2] Monash Univ, Ramaciotti Ctr Cryoelectron Microscopy, Melbourne, Vic, Australia
[3] Univ Western Australia, Sch Biol Sci, Perth, WA, Australia
[4] Oregon Hlth & Sci Univ, Jungers Ctr Neurosci, Portland, OR 97201 USA
[5] Perron Inst Neurol & Translat Res, Perth, WA, Australia
[6] Univ Geneva, Dept Phys Nucl & Corpusculaire, Geneva, Switzerland
[7] European Mol Biol Lab, Electron Microscopy Core Facil, Heidelberg, Germany