1. Hautaerzte Paasch Practice Prof. Paasch Jesewitz OT Gotha, Germany University Hospital Leipzig Department and Clinic for Dermatology, Venereology and Allergology Leipzig
2. Charité – Universitätsmedizin Berlin corporate member of Freie Universität Berlin and Humboldt‐Universität zu Berlin Department of Dermatology Venereology and Allergology Division of Evidence‐Based Medicine (dEBM) Berlin
3. University Hospital Aachen Department for Dermatology and Allergology – Skin Medicine Aachen
4. Department for Plastic Esthetic and Reconstructive Microsurgery Hand Surgery at Ernst von Bergmann Hospital Potsdam
5. W.O.M. WORLD OF MEDICINE GmbH Berlin
6. Skin & Laser Schwerin Skin & Laser Rostock Schwerin and Rostock
7. Practice Dr. Feise Stuttgart
8. Skin & Laser Center Berlin‐Potsdam Berlin and Potsdam
9. Skin and Laser Center Glockenbach Quarter, Munich Department for Dermatology and Allergology Ludwig‐Maximilians University Munich
10. Dermatology at Luegplatz Düsseldorf Department for Dermatology Medical Faculty Heinrich‐Heine University Düsseldorf
11. University Hospital Leipzig Department and Clinic for Dermatology Venereology and Allergology Leipzig
12. University Hospital Hamburg‐Eppendorf (UKE) Department for Dermatology and Venereology Hamburg
13. Center for Proctology Evangelisches Elisabeth Hospital Berlin Deutschland
14. Dermatologikum Hamburg Hamburg
15. Skin and Laser Hospital Dres. Gerd and Ingrid Kautz Konz
16. Center Laser Medicine Evangelisches Elisabeth Hospital Berlin
17. Laseraplikon GmbH Berlin