INDEPTH Network: contributing to the data revolution. Issue 2 (February 2016) - Ekström, Anna Mia; Clark, Jocalyn; Byass, Peter; Lopez, Alan; De Savigny, Don; Moyer, Cheryl A; Campbell, Harry; Gage, Anastasia J; Bocquier, Philippe; AbouZahr, Carla; Sankoh, Osman