Chief Editor European Respiratory Review JEAN BOUSQUET Services des maladies resp. Hôpital Arnaud de Villeneuve CEDEX 1 F-34295 MONTPELLIER FRANCE Fax: 33-67042708

Publications Office WENDY THOMPSON (Journals Manager) Suite 2.4, Hutton's Building 146 West Street SHEFFIELD S1 4ES UK Fax: 44-1142780501 E-Mail: wendy.thompson@ersnet.org

Editorial Board
N. Ambrosino Livorno, Italy	P.S. Burge Birmingham, UK	J.W. Fitting Lausanne, Switzerland	D. Nowak Munich, Germany
M. Ando Kumamoto, Japan	P.M. Calverley Liverpool, UK	R. Gosselink Leuven, Belgium	D. Rodenstein Brussels, Belgium
J.H.T. Bates Colchester, USA	P. Camus Dijon, France	P.L. Haslam London, UK	M. Saetta Padova, Italy
R.P. Baughman Cincinnati, USA	K-H. Carlsen Oslo, Norway	H.A.M. Kerstjens Groningen, The Netherlands	C. Saltini Modena, Italy
R. Beasley Wellington, New Zealand	R. Dekhuijzen Nijmegen, The Netherlands	P. Le Souef Perth, Australia	T. Sandström Umea, Sweden
C. Brambilla Grenoble, France	E. Derom Gent, Belgium	P. Lévy Grenoble, France	S.G. Spiro London, UK
L. Brochard Créteil, France	J.M. Drazen Boston, USA	E. von Mutius Munich, Germany	J. Sunyer Barcelona, Spain
B. Brunekreef Wageningen, The Netherlands	S. Ewig Bonn, Germany	C. O'Connor Dublin, Ireland	M. Vignola Palermo, Italy
			M.A. Woodhead Manchester, UK

Statistical Advisors: S. Chinn, London, UK; C. Melot, Brussels, Belgium.

Original manuscript and 3 copies should be sent directly to J. Bousquet, Montpellier, France.

Please note Instructions to Authors in the back of the issue.