Honolulu, Hawaii.Investigation performed at Kaiser Permanente, Honolulu.*No benefits in any form have been received or will be received from a commercial party related directly or indirectly to the subject of this article. No funds were received in support of this study.(Wright) The Hospital for Special Surgery, 535 East 70th Street, New York, N.Y. 10021.(Matayoshi, Goldstein) Departments of Surgery (E. M.) and Pathology (A. P. G.), Kaiser Permanente, 3288 Moanalua Road, Honolulu, Hawaii 96819.