1. National Research Council Canada Institute for Research in Construction Bldg M-24 1200 Montreal Road, Ottawa, Ontario KIA OR6, Canada,
2. National Research Council Canada Institute for Research in Construction Bldg M-24 1200 Montreal Road, Ottawa, Ontario KIA OR6, Canada
3. Lighting Research Center, Rensselaer Polytechnic Institute, Troy, NY, USA
4. Battelle Memorial Institute/Pacific Northwest National Laboratory, Lexington, MA, USA