Published on in Vol 16 , No 9 (2014) :September

1 Institute for Medical Engineering and Science , Laboratory of Computational Physiology , Massachusetts Institute of Technology , Cambridge , MA , US
2 Beth Israel Deaconess Medical Center , Division of Pulmonary, Critical Care and Sleep Medicine , Harvard Medical School , Boston , MA , US
3 Engineering Systems Division , Massachusetts Institute of Technology , Cambridge , MA , US
4 Beth Israel Deaconess Medical Center , Department of Medicine , Harvard Medical School , Boston , MA , US
5 Smart Scheduling, Inc. , Cambridge , MA , US
6 UVA Center for Wireless Health , Departments of Anesthesiology and Neurosurgery , University of Virginia School of Medicine , Charlottesville , VA , US
*all authors contributed equally