What causes hidradenitis suppurativa ?—15 years after. - Zouboulis, Christos C.; Benhadou, Farida; Byrd, Angel S.; Chandran, Nisha S.; Giamarellos‐Bourboulis, Evangelos J.; Fabbrocini, Gabriella; Frew, John W.; Fujita, Hideki; González‐López, Marcos A.; Guillem, Philippe; Gulliver, Wayne P. F.; Hamzavi, Iltefat; et al. (Experimental Dermatology, 2020)