Dr. Fitzpatrick and Ms. Mauer are from and Dr. Chen was from Weill Cornell Medical College, New York, New York. Dr. Chen currently is from the Permanente Medical Group, Pleasanton, California.
The authors report no conflict of interest.
Correspondence: Cynthia L. Chen, MD, 7601 Stoneridge Dr, Pleasanton, CA 94588 (Cynthia.l.chen@kp.org).