[1] RAND Corporation,Department of Veterinary Medicine, Institute of Public Health, and WHO Collaborating Centre for Modelling, Evolution and Control of Emerging Infectious Diseases
[2] Lebanese AIDS Society,School of Nursing and Health Studies
[3] Marsa,Division of Infectious Diseases
[4] Sexual Health Centre,undefined
[5] Cambridge University,undefined
[6] Georgetown University,undefined
[7] University Medical Center Rizk Hospital,undefined