CIB HEALTHY BUILDINGS 88; CONSEIL INTL DU BATIMENT POUR LA RECHERC; DANISH INST OF TECHNOLOGY; FOLKETS HUS; HEALTHY BUILDINGS 88; HELSINKI INST OF TECHNOLOGY; INGER AHL; KAROLINSKA INST; NORWEGIAN INST OF TECHNOLOGY; ORG COMM; SCIENTIFIC COMM; STOCKHOLM CONVENTION BUREAU; SWEDISH COUNCIL FOR BUILDING RESEARCH; SWEDISH ENVIRONMENTAL MEDICINE LAB; SWEDISH NATL BOARD OF OCCUPATIONAL SAFET; SWEDISH NATL INST FOR BUILDING RESEARCH; SWEDISH NATL TESTING INST; UNIV OF STOCKHOLM