| Authors: |
Rossen LM; National Center for Health Statistics, Centers for Disease Control and Prevention, 3311 Toledo Road, Hyattsville, MD, 20782, USA. lrossen@cdc.gov., Nørgaard SK; Infectious Disease Epidemiology and Prevention, Statens Serum Institut, Copenhagen, Denmark., Sutton PD; National Center for Health Statistics, Centers for Disease Control and Prevention, 3311 Toledo Road, Hyattsville, MD, 20782, USA., Krause TG; Infectious Disease Epidemiology and Prevention, Statens Serum Institut, Copenhagen, Denmark., Ahmad FB; National Center for Health Statistics, Centers for Disease Control and Prevention, 3311 Toledo Road, Hyattsville, MD, 20782, USA., Vestergaard LS; Infectious Disease Epidemiology and Prevention, Statens Serum Institut, Copenhagen, Denmark., Mølbak K; Infectious Disease Epidemiology and Prevention, Statens Serum Institut, Copenhagen, Denmark.; Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark., Anderson RN; National Center for Health Statistics, Centers for Disease Control and Prevention, 3311 Toledo Road, Hyattsville, MD, 20782, USA., Nielsen J; Infectious Disease Epidemiology and Prevention, Statens Serum Institut, Copenhagen, Denmark. |