The MGSS is a team of clinical and basic researchers using multidisciplinary approaches to find new avenues to understand and treat major depression and suicidal tendencies. This team is composed of: Principal Investigators Students and Postdoctoral Fellows Technical and Clinical Personnel Depressive Disorder Program Personnel Principal Investigators Stéphane Richard-Devantoy, MD, PhD Eduardo Chachamovich, MD, PhD Gustavo Turecki, MD, PhD Fabrice Jollant, MD, PhD Johanne Renaud, MD, MSc, FRCPC Monique Séguin, PhD Naguib Mechawar, PhD Marcelo Berlim, MD, MSc Stephanie Jean Lloyd, PhD Corina Nagy, PhD