ACVA ATLANTIC; AHF, AMERICAN HEALTH FOUNDATION; AMERICAN SOCIETY FOR PERSONNEL ADMINISTR; AUSTRALIAS NATL HEALTH + MEDICAL RESEARC; AUSTRIAN SOCIETY FOR OCCUPATIONAL MEDICI; BRITISH JOURNAL OF CANCER; CANTERBURY UNIV; FARM CREDIT SERVICES; GERMAN CARDIAC CENTRE; GERMAN SOCIETY FOR OCCUPATIONAL MEDICINE; INTL AGENCY FOR RESEARCH ON CANCER WORKI; INTL CONFERENCE ON INDOOR AIR QUALITY; INTL GREEN CROSS; LEE CHAMBERLAIN; NAS, NATL ACADEMY OF SCIENCES; NATL RESEARCH COUNCIL; RESPONSE ANALYSIS; SEATTLE UNIV; SEMINAR ON MEDICAL PERSPECTIVES ON PASSI; TI INST OF NEW ZEALAND; UCLA; UNIV OF GENEVA; US BUREAU OF NATL AFFAIRS; US NATL INST OF HEALTH; WHO, WORLD HEALTH ORG