About the Authors

Christoph Paul

Roles Conceptualization, Formal analysis, Project administration, Validation, Visualization, Writing – original draft, Writing – review & editing

paulc@staff.uni-marburg.de

Affiliation Department of Ophthalmology, Philipps-University Marburg, Marburg, Germany

Hans-Helge Müller

Roles Formal analysis, Methodology, Software, Writing – review & editing

Affiliation Institute of Medical Bioinformatics and Biostatistics, Philipps-University Marburg, Marburg, Germany

Thomas Raber

Roles Data curation, Writing – review & editing

Affiliation Oxurion NV, Leuven, Belgium

Thomas Bertelmann

Roles Conceptualization, Project administration, Supervision, Writing – review & editing

Affiliation Thomas Bertelmann M.D., Department of Ophthalmology, University Medical Centre Goettingen, Goettingen, Germany

on behalf of the EXPORT study group

Membership of the EXPORT study group is listed in the Acknowledgments.

Competing Interests

CP has nothing to disclose. HM also has nothing to disclose. TR is employed by Oxurion NV, Leuven, Belgium. TB is an employee of Novartis Pharma GmbH, Nuremberg, Germany and a scientific staff member of the Department of Ophthalmology, University Medical Centre Goettingen, Germany. He reports speaker honoraria from Alcon, speaker honoraria, travel and research grants from Novartis, speaker honoraria from Alimera, speaker honoraria and travel grants from Bayer, speaker honoraria from Heidelberg, outside the submitted work. This does not alter our adherence to PLOS ONE policies on sharing data and materials. There are no patents, products in development or marketed products associated with this research to declare.