Spatial and temporal clustering of patients hospitalized with laboratory-confirmed influenza in the United States oleh Chantel Sloan, Rameela Chandrasekhar, Edward Mitchel, Danielle Ndi, Lisa Miller, Ann Thomas, Nancy M. Bennett, Shua Chai, Melanie Spencer, Seth Eckel, Nancy Spina, Maya Monroe, Evan J. Anderson, Ruth Lynfield, Kimberly Yousey-Hindes, Marisa Bargsten, Shelley Zansky, Krista Lung, Monica Schroeder, Charisse N Cummings, Shikha Garg, William Schaffner, Mary Lou Lindegren