[Association between copy number variations and risk of overweight/obesity among Han, Uyghur, and Kazak children].

Objective: To study the association between the prevalence of overweight/obesity and copy number variations (CNVs) among Han, Uyghur, and Kazak children in Xinjiang, China.

Methods: The kindergartens in Ili, Altay, and Karamay in Xinjiang were selected as research sites, and stratified cluster sampling was used to select the children aged 3-7 years. Body height and body weight were measured, and exfoliated buccal mucosa cells were collected.

[HIV infection and associated factors in men who have sex with men and also with women in Urumqi from 2010 to 2014].

To understand the demographic characteristics, sexual behaviors and the factors associated with HIV infection in men who have sex with men and also with women (MSMW) in Urumqi. According to the "National AIDS Sentinel Surveillance Protocol" , the data of MSM's demographic characteristics, sex behavior histories and serological detection results were collected through Urumqi AIDS sentinel surveillance system during 2010-2014. In MSM, those also had heterosexual behaviors were considered as MSMW.