Bibliographical noteFunding Information:
This work was supported by the project (Ministry of Health, Czech Rep) for conceptual development of research organisation 00064203 (University Hospital Motol, Prague, Czech Rep), UNCE204012 and the COST program (OC 09051). We would like to thank the staff of the participating Czech Pediatric Hematology (CPH) centers for cooperation. We also appreciated the help of Katerina Muzikova for the initial processing of some samples.
This study was supported in part by grants from the National Natural Science Foundation of China (31070716, 81170247 and 31161130356) and the Priority Academic Program Development of Jiangsu Higher Education Institutions.
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