1. Institute of Pharmacy
2. Freie Universität Berlin
3. 14195 Berlin
4. Germany
5. Clinical Research Center of Hair and Skin Science
6. Department of Dermatology and Allergy
7. Charité – Universitätsmedizin Berlin
8. 10117 Berlin
9. Physical Chemistry
10. Institute for Chemistry and Biochemistry
11. The University of British Columbia