[1] Formerly Resident in Medicine, University of California School of Medicine, American Thoracic Society, San Francisco, California
[2] University of California School of Medicine, San Francisco, California
[3] Pittsburg, Pennsylvania
[4] Philadelphia, Pennsylvania
[5] New York, New York
[6] Redwood, California
[7] New York, New York
[8] Redwood Medical Clinic, Redwood, California, 94062