[1] McMaster Univ, Dept Med, Hamilton, ON, Canada
[2] McMaster Univ, Dept Hlth Res Methods, Evidence & Impact, Hamilton, ON, Canada
[3] McMaster Univ, Evidence Allergy Grp, Hamilton, ON, Canada
[4] Global Parents Eczema Res, Santa Barbara, CA USA
[5] Nottingham Support Grp Carers Children Eczema, Nottingham, Nottinghamshire, England
[6] Johns Hopkins Univ, Div Allergy & Clin Immunol, Sch Med, Baltimore, MD 21231 USA
[7] Dartmouth Hitchcock Med Ctr, Sect Allergy & Immunol, Hanover, New Hampshire, Lebanon
[8] Dartmouth Geisel Sch Med, Hanover, NH 03755 USA
[9] Boston Childrens Hosp, Harvard Med Sch, Div Immunol, Boston, MA 02115 USA
[10] McMaster Univ, Hlth Sci Ctr, 1280 Main St West, Rm 3V49, Hamilton, ON 841, Canada