1. Infectious Diseases Department; University Hospital Hotel Dieu; Nantes France
2. Department of Dermatology and Venerology; University HIV/STD Center Essen; University Hospital Essen; Essen Germany
3. Unit of Infectious Diseases; Department of Clinical and Experimental Medicine; Policlinico ‘G. Martino’; University of Messina; Messina Italy
4. IdiPAZ; La Paz University Hospital; Madrid Spain
5. Mortimer Market Centre; Central & North West London NHS Trust; London UK