[1] UNIV HEIDELBERG,DEPT MED,DIV ENDOCRINOL & METAB,D-6900 HEIDELBERG,GERMANY
[2] PETTIS VA HOSP,RES SERV,LOMA LINDA,CA
[3] ALBERT EINSTEIN MED CTR,DEPT ENDOCRINOL & METAB,PHILADELPHIA,PA 19141
[4] UNIV N CAROLINA,DENT RES CTR,CHAPEL HILL,NC 27599
[5] NO GEN HOSP,CTR CLIN SCI,DEPT HUMAN METAB & CLIN BIOCHEM,SHEFFIELD S5 7AU,S YORKSHIRE,ENGLAND
[6] UNIV ROTTERDAM,SCH MED,DIV ENDOCRINOL & METAB,DEPT MED,ROTTERDAM,NETHERLANDS
[7] UNIV CONNECTICUT,CTR HLTH,DEPT ENDOCRINOL,FARMINGTON,CT
[8] YALE UNIV,SCH MED,DEPT ORTHOPAED & REHABIL,NEW HAVEN,CT 06510