We publish this Erratum to reflect two changes:
We wish to note that the first author’s first affiliation was incorrectly written as “Sichuan University, Chengdu 610000, Sichuan, P. R. China”. The correction is shown below: “Department of Hematology and Institute of Hematology, West China Hospital of Sichuan University, Sichuan University, Chengdu 610000, Sichuan, P. R. China”. In addition, we note that the sixth unit’s city and postal code were incorrectly written as “Chengdu 610000”. The correction is shown below: “Nanchong 637000”. The authors apologize for these errors and state that these do not change the scientific conclusions of the article in any way.