[1] MedStar Georgetown Univ Hosp, Washington, DC USA
[2] Univ Calif San Francisco, San Francisco, CA 94143 USA
[3] Heidelberg Univ Hosp, Heidelberg, Germany
[4] St Jude Childrens Res Hosp, 332 N Lauderdale St, Memphis, TN 38105 USA
[5] Boston Childrens Hosp, Boston, MA USA
[6] St Josephs Hosp, Phoenix, AZ USA
[7] Ohio State Univ, Columbus, OH 43210 USA
[8] Portuguese Inst Oncol, Porto, Portugal
[9] Aga Khan Univ Hosp, Karachi, Pakistan
[10] ADHB LabPlus, Auckland, New Zealand
[11] Univ Nebraska Med Ctr, Omaha, NE USA
[12] Burrell Coll Osteopath Med, Las Cruces, NM USA
[13] Univ Colorado, Anschutz Med Campus, Aurora, CO USA
[14] Univ Virginia Hlth Syst, Charlottesville, VA USA
[15] Johns Hopkins Univ, Sch Med, Baltimore, MD 21218 USA