1. Optimization Department, Fraunhofer Institute for Industrial Mathematics ITWM, Fraunhofer-Platz 1, 67663 Kaiserslautern, Germany
2. Computational Engineering and Design Department, Fraunhofer-Chalmers Centre for Industrial Mathematics, Chalmers Science Park, SE-412 88 Gothenburg, Sweden
3. Architecture and Spatial Planning, RISE—Research Institutes of Sweden, Drottning Kristinas Väg 61, SE-114 28 Stockholm, Sweden
4. Liljewall Arkitekter, Odinsplatsen 1, SE-411 02 Gothenburg, Sweden