aInfectious Diseases Unit
b‘Diagnosis and Therapy of HIV infection’ Unit, GB Rossi University Hospital, Verona, Italy
cFaculty of Medicine, University of Puthisastra, Phnom Penh, Cambodia.
Correspondence to Sebastiano Rizzardo, Universita degli Studi di Verona, Verona, Italy. E-mail: firstname.lastname@example.org
Received 6 March, 2019
Revised 18 March, 2019
Accepted 28 March, 2019