1. International Centre for Hidradenitis suppurativa/Acne inversa (ICH) Department of Dermatology Venereology and Allergology Ruhr‐University Bochum Bochum Germany
2. Skin Cancer Center Department of Dermatology Venereology and Allergology Ruhr‐University Bochum Bochum Germany
3. Diabetes Endocrinology and Metabolism Section Department of Internal Medicine I St. Josef Hospital Ruhr University Bochum Bochum Germany
4. Diabetes Centre Bochum‐Hattingen St. Elisabeth‐Hospital Blankenstein Hattingen Germany
5. Centre for Rare Endocrine Diseases Ruhr Centre for Rare Diseases (CeSER) Ruhr University Bochum and Witten/Herdecke University Bochum Germany
6. Centre for Diabetes Technology Catholic Hospitals Bochum Bochum Germany