Collecting and Storing Samples of Bone Marrow and Blood From Patients With Relapsed Acute Lymphoblastic Leukemia or Non-Hodgkin Lymphoma

Swiss Pediatric Oncology Group - Bern, Bern

Princess Margaret Hospital for Children, Perth

Laura and Isaac Perlmutter Cancer Center at NYU Langone, New York

NYP/Columbia University Medical Center/Herbert Irving Comprehensive Cancer Center, New York

Montefiore Medical Center - Moses Campus, The Bronx

New York Medical College, Valhalla

Stony Brook University Medical Center, Stony Brook

Albany Medical Center, Albany

State University of New York Upstate Medical University, Syracuse

Roswell Park Cancer Institute, Buffalo

University of Rochester, Rochester

Children's Hospital of Pittsburgh of UPMC, Pittsburgh

Penn State Children's Hospital, Hershey

Lehigh Valley Hospital - Muhlenberg, Bethlehem

Children's Hospital of Philadelphia, Philadelphia

Childrens Oncology Group, Philadelphia

Saint Christopher's Hospital for Children, Philadelphia

Alfred I duPont Hospital for Children, Wilmington

MedStar Georgetown University Hospital, Washington D.C.

Children's National Medical Center, Washington D.C.

University of Maryland/Greenebaum Cancer Center, Baltimore

Sinai Hospital of Baltimore, Baltimore

Johns Hopkins University/Sidney Kimmel Cancer Center, Baltimore

Children's Hospital of The King's Daughters, Norfolk

Carilion Clinic Children's Hospital, Roanoke

West Virginia University Charleston Division, Charleston

Wake Forest University Health Sciences, Winston-Salem

UNC Lineberger Comprehensive Cancer Center, Chapel Hill

Duke University Medical Center, Durham

East Carolina University, Greenville

Carolinas Medical Center/Levine Cancer Institute, Charlotte

Novant Health Presbyterian Medical Center, Charlotte

Mission Hospital, Asheville

Prisma Health Richland Hospital, Columbia

BI-LO Charities Children's Cancer Center, Greenville

Greenville Cancer Treatment Center, Greenville

Children's Healthcare of Atlanta - Egleston, Atlanta

Nemours Children's Clinic-Jacksonville, Jacksonville

Nemours Children's Clinic - Pensacola, Pensacola

University of Florida Health Science Center - Gainesville, Gainesville

AdventHealth Orlando, Orlando

Arnold Palmer Hospital for Children, Orlando

Nemours Children's Clinic - Orlando, Orlando

UF Cancer Center at Orlando Health, Orlando

Nemours Children's Hospital, Orlando

Memorial Regional Hospital/Joe DiMaggio Children's Hospital, Hollywood

University of Miami Miller School of Medicine-Sylvester Cancer Center, Miami

Miami Cancer Institute, Miami

Broward Health Medical Center, Fort Lauderdale

Saint Mary's Hospital, West Palm Beach

Tampa General Hospital, Tampa

Saint Joseph's Hospital/Children's Hospital-Tampa, Tampa

Johns Hopkins All Children's Hospital, St. Petersburg

Lee Memorial Health System, Fort Myers

Golisano Children's Hospital of Southwest Florida, Fort Myers

Children's Hospital of Alabama, Birmingham

University of Alabama at Birmingham Cancer Center, Birmingham

Vanderbilt University/Ingram Cancer Center, Nashville

T C Thompson Children's Hospital, Chattanooga

East Tennessee Childrens Hospital, Knoxville

University of Mississippi Medical Center, Jackson

Norton Children's Hospital, Louisville

University of Kentucky/Markey Cancer Center, Lexington

Nationwide Children's Hospital, Columbus

Rainbow Babies and Childrens Hospital, Cleveland

Cleveland Clinic Foundation, Cleveland

Children's Hospital Medical Center of Akron, Akron

Dayton Children's Hospital, Dayton

Riley Hospital for Children, Indianapolis

Saint Vincent Hospital and Health Care Center, Indianapolis

Wayne State University/Karmanos Cancer Institute, Detroit

Ascension Saint John Hospital, Detroit

Hurley Medical Center, Flint

Bronson Methodist Hospital, Kalamazoo

Kalamazoo Center for Medical Studies, Kalamazoo

Helen DeVos Children's Hospital at Spectrum Health, Grand Rapids

Blank Children's Hospital, Des Moines

University of Iowa/Holden Comprehensive Cancer Center, Iowa City

Children's Hospital of Wisconsin, Milwaukee

Saint Vincent Hospital Cancer Center Green Bay, Green Bay

Marshfield Medical Center-Marshfield, Marshfield

Children's Hospitals and Clinics of Minnesota - Minneapolis, Minneapolis

University of Minnesota/Masonic Cancer Center, Minneapolis

Mayo Clinic, Rochester

Sanford Broadway Medical Center, Fargo

Advocate Children's Hospital-Park Ridge, Park Ridge

Advocate Lutheran General Hospital, Park Ridge

Advocate Children's Hospital-Oak Lawn, Oak Lawn

Lurie Children's Hospital-Chicago, Chicago

University of Illinois, Chicago

University of Chicago Comprehensive Cancer Center, Chicago

Saint Jude Midwest Affiliate, Peoria

Southern Illinois University School of Medicine, Springfield

Washington University School of Medicine, St Louis

Mercy Hospital Saint Louis, St Louis

Children's Mercy Hospitals and Clinics, Kansas City

Columbia Regional, Columbia

University of Kansas Cancer Center, Kansas City

Children's Hospital and Medical Center of Omaha, Omaha

University of Nebraska Medical Center, Omaha

Tulane University Health Sciences Center, New Orleans

Children's Hospital New Orleans, New Orleans

Ochsner Medical Center Jefferson, New Orleans

University of Arkansas for Medical Sciences, Little Rock

University of Oklahoma Health Sciences Center, Oklahoma City

Medical City Dallas Hospital, Dallas

UT Southwestern/Simmons Cancer Center-Dallas, Dallas

Cook Children's Medical Center, Fort Worth

Children's Hospital of San Antonio, San Antonio

Methodist Children's Hospital of South Texas, San Antonio

University of Texas Health Science Center at San Antonio, San Antonio

Brooke Army Medical Center, Fort Sam Houston

Driscoll Children's Hospital, Corpus Christi

Texas Tech University Health Sciences Center-Amarillo, Amarillo

Covenant Children's Hospital, Lubbock

Children's Hospital Colorado, Aurora

Rocky Mountain Hospital for Children-Presbyterian Saint Luke's Medical Center, Denver

Saint Luke's Mountain States Tumor Institute, Boise

Primary Children's Hospital, Salt Lake City

Phoenix Childrens Hospital, Phoenix

Banner University Medical Center - Tucson, Tucson

University of New Mexico Cancer Center, Albuquerque

University Medical Center of Southern Nevada, Las Vegas

Nevada Cancer Research Foundation CCOP, Las Vegas

Sunrise Hospital and Medical Center, Las Vegas

Alliance for Childhood Diseases/Cure 4 the Kids Foundation, Las Vegas

Summerlin Hospital Medical Center, Las Vegas

Children's Hospital Los Angeles, Los Angeles

UCLA / Jonsson Comprehensive Cancer Center, Los Angeles

Kaiser Permanente Downey Medical Center, Downey

Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center, Torrance

Miller Children's and Women's Hospital Long Beach, Long Beach

City of Hope Comprehensive Cancer Center, Duarte

Rady Children's Hospital - San Diego, San Diego

Naval Medical Center -San Diego, San Diego

Loma Linda University Medical Center, Loma Linda

Children's Hospital of Orange County, Orange

Valley Children's Hospital, Madera

UCSF Medical Center-Parnassus, San Francisco

UCSF Medical Center-Mission Bay, San Francisco

Lucile Packard Children's Hospital Stanford University, Palo Alto

Kaiser Permanente-Oakland, Oakland

Sutter Medical Center Sacramento, Sacramento

University of California Davis Comprehensive Cancer Center, Sacramento

University of Hawaii Cancer Center, Honolulu

Kapiolani Medical Center for Women and Children, Honolulu

Legacy Emanuel Children's Hospital, Portland

Legacy Emanuel Hospital and Health Center, Portland

Oregon Health and Science University, Portland

Seattle Children's Hospital, Seattle

Mary Bridge Children's Hospital and Health Center, Tacoma

Madigan Army Medical Center, Tacoma

Providence Sacred Heart Medical Center and Children's Hospital, Spokane

Arkansas Children's Hospital, Little Rock

Children's Hospital and Research Center at Oakland, Oakland

Connecticut Children's Medical Center, Hartford

Walter Reed National Military Medical Center, Bethesda

UMass Memorial Medical Center - University Campus, Worcester

Michigan State University Clinical Center, East Lansing

Dartmouth Hitchcock Medical Center, Lebanon

Hackensack University Medical Center, Hackensack

Morristown Medical Center, Morristown

Saint Peter's University Hospital, New Brunswick

Rutgers Cancer Institute of New Jersey-Robert Wood Johnson University Hospital, New Brunswick

Newark Beth Israel Medical Center, Newark

Saint Joseph's Regional Medical Center, Paterson

Overlook Hospital, Summit

Rhode Island Hospital, Providence

Sanford USD Medical Center - Sioux Falls, Sioux Falls

University of Vermont and State Agricultural College, Burlington

British Columbia Children's Hospital, Vancouver

CancerCare Manitoba, Winnipeg

IWK Health Centre, Halifax

Kingston Health Sciences Centre, Kingston

Children's Hospital, London

Children's Hospital of Eastern Ontario, Ottawa

Hospital for Sick Children, Toronto

The Montreal Children's Hospital of the MUHC, Montreal

Centre Hospitalier Universitaire Sainte-Justine, Montreal

Allan Blair Cancer Centre, Regina

Saskatoon Cancer Centre, Saskatoon

San Jorge Children's Hospital, San Juan

University Pediatric Hospital, San Juan