The Russian HIV case reporting system • Boris P Denisov, Moscow University

Healthy men with subnormal sperm counts live shorter lives • Sabine Groos, University of Marburg ; Ulrich Mueller, University of Marburg ; Walter Krause, University of Marburg

HIV/AIDS-induced demographic behaviour change in Malawi and its long-term outcomes. An application of a dynamic multistate model • Alessandro Valentini, Università di Pisa ; Piero Manfredi, Dipartimento di Statistica & Matematica Applicata all'Economia ; Linda Porciani, University of Bari and University of Pisa

Temporary migration and STD/HIV risk sexual behavior: a population-based analysis of gender differences in China • Xiushi Yang, Old Dominion University ; Guomei Xia, Shanghai Academy of Social Sciences