aHIV/Infectious Diseases Unit, ‘Villa Maraini’ Foundation, Italian Red Cross, Rome/Infectious Diseases Unit, ‘San Camillo de Lellis’ Hospital, Rieti, Italy

bUSAID-Rwanda Integrated Health Systems Activity, Kigali, Rwanda

cVancouver Infectious Diseases Centre, Faculty of Health Sciences, Simon Fraser University, Vancouver, Canada.

Correspondence to Dr Mauro Zaccarelli, HIV/Infectious Diseases Unit, ‘Villa Maraini Foundation’, Via Bernardino Ramazzini 31, 00149 Rome, Italy. Tel: +39 3281130152; e-mail: [email protected]

Received 22 February, 2023

Accepted 25 February, 2023