1. Unit of Dermatology and Skin Research Laboratory Galilee Medical Center Nahariya Israel
2. Azrieli Faculty of Medicine Bar‐Ilan University Safed Israel
3. Lübeck Institute of Experimental Dermatology University of Lübeck Lübeck Germany
4. Rheumatology Unit Galilee Medical Center Nahariya Israel
5. Siaal Research Center for Family Medicine and Primary Care, Faculty of Health Sciences Ben‐Gurion University of the Negev Beer Sheva Israel
6. Clalit Health Services Tel‐Aviv Israel