This later received sponsorship from the German state of North Rhine-Westphalia and the German Research Foundation, in 2004 coming under the auspices of the German Academies of Sciences and Arts.
Kelompok kerja ini kemudian menerima sponsor dari negara Jerman, North Rhine-Westphalia dan Yayasan Penelitian Jerman, pada tahun 2004 berada di bawah naungan Akademi Ilmu Pengetahuan dan Seni Jerman.