Co-Creating a Mental Health and Addictions Research Agenda for Ontario Contents Letter from the Sponsors. [...] Co-Creating a Mental Health and Addictions Research Agenda for Ontario LETTER FROM THE SPONSORS We are pleased to present the results of creating together: Co‐Creating a Mental Health and Addictions Research Agenda for Ontario. creating together began in the spring of 2010, with a shared interest from the Ontario Mental Health and Addictions Knowledge Exchange Network (OMHAKEN), Co‐sponsors [...] Co-Creating a Mental Health and Addictions Research Agenda for Ontario. [...] Co-Creating a Mental Health and Addictions Research Agenda for Ontario IV.