1. DDP Engineered LED Solutions, 445 South Douglas Street, El Segundo, CA, 90245, USA.
2. Charles W. Durham School of Architectural Engineering and Construction; University of Nebraska; 1110 South 67th Street; Omaha, NE, 68182.
3. Department of Civil, Environmental, and Architectural Engineering, University of Colorado at Boulder, Boulder, CO, 80309-0428, USA.