1. Institute of Anatomy and Cell Biology, University of Heidelberg, 69120 Heidelberg, Germany
2. Department of Cellular and Molecular Biology, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mures, 540142 Târgu Mures, Romania
3. Department of Human Biology and Human Genetics, University of Kaiserslautern, 69120 Kaiserslautern, Germany