[1] Johns Hopkins Univ, Biol, Baltimore, MD USA
[2] Max Planck Inst Mol Biomed, Cell & Dev Biol, Munster, Germany
[3] Lead Discovery Ctr GmbH, Dortmund, Germany
[4] Max Planck Inst Mol Biomed, Bioanalyt Mass Spectrometry, Munster, Germany
[5] Univ Munster, Fac Med, Munster, Germany
[6] Max Planck Inst Mol Physiol, Chem Biol, Dortmund, Germany
[7] Tech Univ Dresden, Cluster Excellence, DFG Res Ctr Regenerat Therapies Dresden, Dresden, Germany