1. Department of Environmental Sciences and Policy, Central European University (CEU), 1051 Budapest, Hungary;
2. Smith School of Enterprise and the Environment, School of Geography and the Environment, University of Oxford, OX2 6HD Oxford, United Kingdom;
3. Passive House Canada, Victoria, British Columbia V9A 3S1, Canada;
4. Electrical and Electronic Manufacturing, Delta Electronics Foundation, 11491 Taipei, Taiwan;
5. GREiA Research Group, Universitat de Lleida, 25001 Lleida, Spain;
6. Building Energy Research Center, Tsinghua University, 100084 Beijing, China;