Common risk factors for chronic non-communicable diseases among older adults in China, Ghana, Mexico, India, Russia and South Africa: the study on global AGEing and adult health (SAGE) wave 1

- Wu, Fan; Guo, Yanfei; Manrique-Espinoza, Betty; Maximova, Tamara; Peltzer, Karl; Phaswanamafuya, Nancy; Snodgrass, James J.; Thiele, Elizabeth; Ng, Nawi; Kowal, Paul; Chatterji, Somnath; Zheng, Yang; Naidoo, Nirmala; Jiang, Yong; Biritwum, Richard; Yawson, Alfred; Minicuci, Nadia; Salinas-Rodriguez, Aaron