Institution: | aINRS-Institut Armand-Frappier, Laval, Québec, Canada;bFacility for Electron Microscopy Research, McGill University, Montréal, Québec, Canada;cDepartment of Anatomy & Cell Biology, McGill University, Montréal, Québec, Canada;dDepartment of Biology, McGill University, Montréal, Québec, Canada |