1Department of Dermatology, University of California San Francisco, San Francisco, California, USA, jazzmin.williams@ucsf.edu.
2Dermatology Division, Department of Medicine, Sunnybrook Research Institute, University of Toronto, Toronto, Ontario, Canada.
3Hope for HS, Troy, Michigan, USA.
4Department of Neurology, Epidemiology and Biostatistics, University of California San Francisco, San Francisco, California, USA.
5Division of Infection and Immunity, Department of Dermatology and Academic Wound Healing, Cardiff University, Cardiff, UK.
6Department of Dermatology, University of California San Francisco, San Francisco, California, USA.
7The Rockefeller University, New York, New York, USA.
8Dermatology Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.
9Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy.
10Reify Health, Boston, Massachusetts, USA.
11Patientforeningen HS Danmark, Copenhagen, Denmark.
12HS Warriors, Port Richey, Florida, USA.