| Authors: |
Yap EN; Department of Anesthesia, The Permanente Medical Group, South San Francisco, California, USA Edward.N.Yap@kp.org.; Department of Anesthesia and Perioperative Care, University of California San Francisco, San Francisco, California, USA.; Division of Research, Kaiser Permanente, Pleasanton, California, USA., Wei J; Division of Research, Kaiser Permanente, Pleasanton, California, USA., Zeltser DW; Department of Orthopedics, Washington Permanente Medical Group, Bellvue, Washington, USA., Khersonsky J; Department of Anesthesia, The Permanente Medical Group, Vallejo, California, USA., Lin SE; Department of Anesthesia, The Permanente Medical Group, Oakland, California, USA., Bal KS; Kaiser Permanente Bernard J Tyson School of Medicine, Pasadena, California, USA., Gray A; Department of Anesthesia and Perioperative Care, University of California San Francisco, San Francisco, California, USA.; Department of Anesthesia, San Francisco General Hospital and Trauma Center, San Francisco, California, USA. |
