1. Department of Evolutionary Genetics, Max Planck Institute for Evolutionary Anthropology Leipzig, 04103 Leipzig, Germany
2. Interdisciplinary Center for Bioinformatics, University of Leipzig, 04107 Leipzig, Germany
3. Department of Dermatology, Venereology and Allergology, University Hospital Essen, 45147 Essen, Germany
4. Department of Physiological Chemistry, University of Würzburg, Biozentrum, Am Hubland, 97074 Würzburg, Germany
5. Comprehensive Cancer Center Mainfranken, University Clinic Würzburg, 97080 Würzburg, Germany
6. Institute for Advanced Study, 3572 Texas A&M University, College Station, Texas 77843-3572, USA
7. Department of Dermatology, Venereology and Allergology, University of Leipzig, 04103 Leipzig, Germany