aDepartment of Hematology, Shandong Provincial Hospital, Shandong University, Jinan

bDepartment of Hematology, Shandong Provincial Hospital Affiliated to Shandong First Medical University

cTaishan Scholars Program of Shandong Province

dBranch of National Clinical Research Center for Hematologic Diseases, Jinan, Shandong

eNational Clinical Research Center for Hematologic Diseases, the First Affiliated Hospital of Soochow University, Suzhou, China

Correspondence to Xin Wang, MD, PhD, Director & Professor of Department of Hematology, Shandong Provincial Hospital, Shandong University, No.324, Jingwu Road, Jinan, Shandong 250021, China. Tel: +86 531 68776358, +86 13156012606; fax: +86 531 87061197; e-mail: [email protected]