aDepartment of Medicine, Division of Hematology/Oncology, University of Pittsburgh

bHemophilia Center of Western Pennsylvania, Pittsburgh, Pennsylvania, USA

Correspondence to Craig D. Seaman, MD, Assistant Professor of Medicine, Division Hematology/Oncology, University of Pittsburgh, Associate Director, Hemophilia Center of Western Pennsylvania, 3636 Boulevard of the Allies, Pittsburgh, PA 15213-4306, USA. Tel: +1 412 209 7280; fax: +1 412 209 7281; e-mail: [email protected]

Received 6 July, 2023

Accepted 28 August, 2023