1. Professor and Bernard and Henrietta Hankin Chair in Residential Building Construction, Dept. of Architectural Engineering, Pennsylvania State Univ., University Park, PA 16802.
2. Research Associate, Dept. of Architectural Engineering, Pennsylvania State Univ., University Park, PA 16802 (corresponding author).
3. Building Systems Program Manager, Dept. of Civil, Construction and Environmental Engineering, Iowa State Univ., Ames, IA 50011.
4. Senior Associate, Wiss, Janney, Elstner Associates, Inc., 1350 Broadway, Suite 910, New York, NY 10018.