Awal, A. [P:(DE-Juel1)190925] ; Hetzel, J. [P:(DE-Juel1)162384] ; Gebel, R. [P:(DE-Juel1)131164] ; Kamerdzhiev, V. [P:(DE-Juel1)131203] ; Pretz, Jörg [P:(DE-Juel1)156288]