1. Clinic of Dermatology and Allergic Diseases University Clinic Ulm Ulm Germany
2. Department of Dermatology and Allergy University Hospital Augsburg Augsburg Germany
3. Department of Neurosciences University of Medicine and Pharmacy "luliu Hațieganu" Cluj‐Napoca Romania
4. Clinic of Dermatology and Venerology University of Medicine and Pharmacy "luliu Hațieganu" Cluj‐Napoca Romania
5. Ultrasound Department, 3rd Medical Clinic Institute of Gastroenterology and Hepatology Octavian Fodor Cluj Napoca Romania
6. Physiology Department Victor Papilian Military Emergency Hospital Cluj‐Napoca Romania