| Authors: |
Simmering J; University of Iowa, Department of Internal Medicine, Division of Pulmonary and Critical Care Medicine, 200 Hawkins Dr., C33GH, Iowa City, IA, 52242, USA., Stapleton EM; University of Iowa, Department of Internal Medicine, Division of Pulmonary and Critical Care Medicine, 200 Hawkins Dr., C33GH, Iowa City, IA, 52242, USA., Polgreen PM; University of Iowa, Department of Internal Medicine, Division of Pulmonary and Critical Care Medicine, 200 Hawkins Dr., C33GH, Iowa City, IA, 52242, USA., Kuntz J; Kaiser Permanente Northwest Center for Health Research, 3800 N. Interstate Ave., Portland, OR, 97227, USA., Gerke AK; University of Iowa, Department of Internal Medicine, Division of Pulmonary and Critical Care Medicine, 200 Hawkins Dr., C33GH, Iowa City, IA, 52242, USA. Electronic address: alicia-gerke@uiowa.edu. |