[1] UNIV OKLAHOMA, HLTH SCI CTR, DEPT MED, OKLAHOMA CITY, OK 73190 USA
[2] UNIV OKLAHOMA, HLTH SCI CTR, DEPT BIOSTAT & EPIDEMIOL, OKLAHOMA CITY, OK 73190 USA
[3] VIRGINIA COMMONWEALTH UNIV MED COLL VIRGINIA, FAIRFAX FAMILY PRACTICE CTR, DEPT FAMILY PRACTICE, FAIRFAX, VA USA
[4] UNIV CONNECTICUT, WATKINS CTR HEMATOL ONCOL, DEPT MED, MANCHESTER, CT USA
[5] MT SINAI SCH MED, NEW YORK, NY USA
[6] UNIV BRITISH COLUMBIA, DIV HEMATOL, VANCOUVER, BC V5Z 1M9, CANADA
[7] UNIV TORONTO, DEPT PEDIAT, TORONTO, ON, CANADA
[8] HOSP SICK CHILDREN, TORONTO, ON M5G 1X8, CANADA
[9] CORNELL UNIV, COLL MED, DEPT PEDIAT, NEW YORK HOSP, NEW YORK, NY USA
[10] UNIV PENN, DEPT MED PATHOL & LAB MED, PHILADELPHIA, PA 19104 USA
[11] CHEDOKE MCMASTER HOSP, DEPT MED, HAMILTON, NEW ZEALAND
[12] CLEVELAND CLIN, DEPT HEMATOL ONCOL, CLEVELAND, OH 44106 USA
[13] SCRIPPS RES INST, LA JOLLA, CA USA
[14] HEARTLAND HEMATOL ONCOL, COUNCIL BLUFFS, IA USA
[15] HEMATOL CLIN, PORTLAND, OR USA
[16] WAYNE STATE UNIV, CHILDRENS HOSP, DEPT PEDIAT, DETROIT, MI USA