Life Science Research and Foundation, QIAGEN Sciences Inc., Frederick, MD, USA.|Life Science Research and Foundation, QIAGEN Sciences Inc., Frederick, MD, USA.|Life Science Research and Foundation, QIAGEN Sciences Inc., Frederick, MD, USA.|Life Science Research and Foundation, QIAGEN Sciences Inc., Frederick, MD, USA.|Life Science Research and Foundation, QIAGEN Sciences Inc., Frederick, MD, USA.|Life Science Research and Foundation, QIAGEN Sciences Inc., Frederick, MD, USA.|Life Science Research and Foundation, QIAGEN Sciences Inc., Frederick, MD, USA.