1 Departments of Medicine (Ells) and Psychiatry (Thombs), McGill University; Lady Davis Institute for Medical Research (Ells, Thombs), Montréal, Que. [email protected].
2 Departments of Medicine (Ells) and Psychiatry (Thombs), McGill University; Lady Davis Institute for Medical Research (Ells, Thombs), Montréal, Que.