title: Continuing use of the terms prospective and retrospective and quality of reporting of observational studies: time to update the STROBE guideline?
authors.affiliation: Center for Clinical Transfusion Research, Sanquin Research, Leiden, The Netherlands and Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands R.A.Middelburg@lumc.nl.
authors.forename: Camila
authors.initials: C
authors.lastname: Caram-Deelder
authors.affiliation: Center for Clinical Transfusion Research, Sanquin Research, Leiden, The Netherlands and Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands.
authors.forename: Aukje L
authors.initials: AL
authors.lastname: Kreuger
authors.affiliation: Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands.
authors.forename: Frits R
authors.initials: FR
authors.lastname: Rosendaal
authors.affiliation: Center for Clinical Transfusion Research, Sanquin Research, Leiden, The Netherlands and Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands.
authors.forename: Johanna G
authors.initials: JG
authors.lastname: van der Bom
authors.affiliation: Center for Clinical Transfusion Research, Sanquin Research, Leiden, The Netherlands and Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands R.A.Middelburg@lumc.nl.
authors.forename: Rutger A
authors.initials: RA
authors.lastname: Middelburg
mesh_terms: D000068598:Data Accuracy; D017408:Guidelines as Topic; D006801:Humans; D064887:Observational Studies as Topic / Q000592:standards*; D011446:Prospective Studies; D012107:Research Design / Q000592:standards*; D012189:Retrospective Studies