Cluster of Ebola Virus Disease, Bong and Montserrado Counties, Liberia oleh Tolbert G. Nyenswah, Mosaka Fallah, Geoffrey M. Calvert, Stanley Duwor, E. Dutch Hamilton, Vishwesh Mokashi, Sampson Arzoaquoi, Emmanuel Dweh, Ryan Burbach, Diane Dlouhy, John E. Oeltmann, Patrick K. Moonan