1. Department of PathologyMassachusetts General Hospital and Harvard Medical School Boston Massachusetts
2. Department of DermatologyMassachusetts General Hospital and Harvard Medical School Boston Massachusetts
3. Department of Medicine, McGill University Health Center, and Infectious Disease Susceptibility ProgramResearch Institute‐McGill University Health Centre Montreal Quebec Canada
4. Department of MedicineDivision of Rheumatology, Allergy, and Immunology, Massachusetts General Hospital and Harvard Medical School Boston Massachusetts
5. Department of MedicineInfectious Disease Unit, Massachusetts General Hospital and Harvard Medical School Boston Massachusetts
6. Department of DermatologyUniversity of North Carolina at Chapel Hill Chapel Hill North Carolina