Peter Burger: investigation, conceptualization, data curation, visualization, writing – original draft, writing – review & editing. 
Saïd Mondahchouo: investigation, writing – review & editing. 
Stefanie Arnold: investigation, writing – review & editing. 
Moritz Goldkuhle: investigation, writing – review & editing. 
Sabine Flamme: writing – review & editing. 
Volker Presser: conceptualization, supervision, validation, resources, visualization, writing – original draft, writing – review &
editing, project administration, funding acquisition.