1. Institute of Biomedicine, Pharmacology, Aarhus University, 8000 Aarhus C, Denmark
2. Clinic for Plastic, Aesthetic and Hand Surgery, Otto-von-Guericke-University Magdeburg, 39120 Magdeburg, Germany
3. Department of Biology, Cell Biology, Friedrich-Alexander University Erlangen-Nuremberg, 91058 Erlangen, Germany
4. Medical Research Laboratories, Department of Clinical Medicine, Faculty of Health Sciences, Aarhus University, Aarhus, Denmark
5. Hematology/Oncology, Children’s Hospital Los Angeles, University of Southern California, Los Angeles, CA 90027, USA
6. Max-Planck Institute for Biochemistry, 82152 Martinsried, Germany