Authors
Tonka Varleva
Program "Prevention and Control of HIV/AIDS", Ministry of Health, Bulgaria
Bahtiyar Karaahmed
Program "Prevention and Control of HIV/AIDS", Ministry of Health, Bulgaria

© 2015 Vesselina Dimitrova Kachakova, Tonka Varleva, Bahtiyar Karaahmed, published by Ubiquity Press
This work is licensed under the Creative Commons Attribution 4.0 License.