ADVISORY COMM; AMERICAN ASSN FOR THORACIC SURGERY; AMERICAN THORACIC SOCIETY; BRITISH MEDICAL JOURNAL; CHICAGO CITY COUNCILS COMM ON ENVIRONM; CONGRESS; CTR, COUNCIL FOR TOBACCO RESEARCH; HAVARD; HEW, DEPT OF HEALTH EDUCATION AND WELFARE; IN UNIV; LANCET; NATL HEART, LUNG + BLOOD INST; NATL INST OF HEALTH; NORTHWESTERN UNIV; UCLA; WA UNIV