[1] Rutgers Biomed & Hlth Sci, Sch Nursing, Francois Xavier Bagnoud Ctr, 65 Bergen St,8th Floor, Newark, NJ 07101 USA
[2] Insight, Bucharest, Romania
[3] Populat Serv Int Romania, Bucharest, Romania
[4] Data Ctr Solut, Bucharest, Romania
[5] Natl Inst Infect Dis Prof Dr Matei Bals, Bucharest, Romania
[6] Brown Univ, Sch Publ Hlth, Dept Behav & Social Sci, Providence, RI 02912 USA
[7] Yale Sch Publ Hlth, Social & Behav Sci, New Haven, CT USA