1. From the Lady Davis Institute for Medical Research (D.A.K., T.B., M.W.L., N.Y., E.Z., A.R., P.P., E.L.S.) and Department of Medicine (E.L.S.), Sir Mortimer B. Davis-Jewish General Hospital, McGill University, Montreal, Quebec, Canada; State University of Rio de Janeiro (D.A.K., M.F.N.), Rio de Janeiro, Brazil; Université d'Avignon et des Pays de Vaucluse-Avignon (T.B., P.L.), Avignon, France.