[1] UNIV CONNECTICUT,CTR HLTH,DEPT MED,DIV ENDOCRINOL & METAB,FARMINGTON,CT 06032
[2] BAYLOR UNIV,MED CTR,A WEBB ROBERTS CTR CONTINUING EDUC HLTH SCI,DALLAS,TX 75246
[3] HARVARD UNIV,MASSACHUSETTS GEN HOSP,SCH DENT,PHARMACOL LAB,BOSTON,MA 02114
[4] WASHINGTON UNIV,JEWISH HOSP ST LOUIS,SCH MED,DIV BONE & MINERAL METAB,ST LOUIS,MO 63110
[5] VET ADM HOSP,DEPT BIOCHEM,CALCIUM RES LAB,KANSAS CITY,MO 64128
[6] HARVARD UNIV,SCH DENT,BOSTON,MA 02115
[7] UNIV S CAROLINA,COLUMBIA,SC 29208
[8] UNIV N CAROLINA,SCH MED,DEPT SURG,ORTHOPAED RES LABS,CHAPEL HILL,NC 27514
[9] UNIV SO CALIF,SCH MED,CLIN RES CTR,ENDOCRINOL SECT,LOS ANGELES,CA 90033
[10] NIDR,DEV BIOL & ANOMALIES LAB,BETHESDA,MD 20014
[11] RUSH PRESBYTERIAN ST LUKES MED CTR,RUSH MED COLL,DEPT BIOCHEM,CHICAGO,IL 60612
[12] JOHNS HOPKINS UNIV,SCH MED,BALTIMORE,MD 21205
[13] HARVARD UNIV,MASSACHUSETTS GEN HOSP,SCH MED,DEPT MED,BOSTON,MA 02114
[14] UNIV MIAMI,SCH MED,MIAMI,FL 33152
[15] UNIV CALIF SAN FRANCISCO,SCH MED,RADIOL LAB,SAN FRANCISCO,CA 94122
[16] WASHINGTON UNIV,JEWISH HOSP ST LOUIS,SCH MED DEPT MED,ST LOUIS,MO 63178
[17] UNIV TORONTO,MRC,PERIODONTAL PHYSIOL GRP,TORONTO M5S 1A8,ONTARIO,CANADA