title: Erratum to: Functional expression of the human coagulation factor IX using heterologous signal peptide and propeptide sequences in mammalian cell line.
authors.affiliation: Department of Molecular Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran.
authors.forename: Shohreh
authors.initials: S
authors.lastname: Khorshidi
authors.affiliation: Department of Molecular Genetics, National Institute of Genetic Engineering and Biotechnology, P.O. Box: 14965/161, Tehran, Iran. zomorodi@nigeb.ac.ir.
authors.forename: Alireza
authors.initials: A
authors.lastname: Zomorodipour
authors.affiliation: Department of Molecular Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran.
authors.forename: Mehrdad
authors.initials: M
authors.lastname: Behmanesh
authors.affiliation: Department of Biology, Hakim Sabzevari University, Sabzevar, Iran.
authors.forename: Jafar
authors.initials: J
authors.lastname: Vatandoost
authors.affiliation: Department of Thrombosis and Haemostasis, Leiden University Medical Centre, Leiden, The Netherlands.
authors.forename: Mettine H A
authors.initials: MH
authors.lastname: Bos