1. Bioprocess Development Department Boehringer Ingelheim Pharma GmbH & Co. KG Biberach an der Riß Germany
2. Drug Discovery Sciences Boehringer Ingelheim Pharma GmbH & Co. KG Biberach an der Riß Germany
3. Cell Culture Technology Faculty of Technology, Bielefeld University Bielefeld Germany
4. Center for Biotechnology (CeBiTec) Bielefeld University Bielefeld Germany