Authors: Pertti Aro; Jukka Ronkainen; Tom Storskrubb; Michael Vieth; Lars Engstrand; Sven-Erik Johansson; Elisabeth Bolling-Sternevald; Gunilla Bolinder; Kjell Alving; Nicholas J Talley; Lars Agréus Journal: Eur J Epidemiol Date: 2010-07-29 Impact factor: 8.082