1. Manager Technical Solutions, Josef Gartner GmbH, Gartnerstraße 20, 89423 Gundelfingen an der Donau, Germany; formerly, Senior Researcher, Institute of Building Construction, Technische Universität Dresden, 01219 Dresden, Germany (corresponding author).
2. Professor, Institute of Building Construction, Technische Universität Dresden, August-Bebel-Straße 30, 01219 Dresden, Germany..