Treichel, Andrea [P:(DE-Juel1)144273] ; Kemna, A. [P:(DE-HGF)0] ; Zimmermann, Egon [P:(DE-Juel1)133962] ; Esser, Odilia [P:(DE-Juel1)129450] ; Huisman, Johan Alexander [P:(DE-Juel1)129472]