1. Research Structural Engineer, National Fire Research Laboratory, National Institute of Standards and Technology, 100 Bureau Dr., Gaithersburg, MD 20899 (corresponding author). ORCID: .
2. Research Consultant, Danish Institute of Fire and Security Technology, Jernholmen 10, Hvidovre 2650, Denmark.
3. Director, National Fire Research Laboratory, National Institute of Standards and Technology, 100 Bureau Dr., Gaithersburg, MD 20899.