1. Centre for Ophthalmology/Institute for Ophthalmic Research, University of Tübingen, Germany
2. Department of Ophthalmology and Visual Sciences and Wynn Institute for Vision Research, University of Iowa, Iowa City, IA, USA
3. Institute for Medical Biometry and Statistics and the Center for Clinical Trials, University of Lübeck, Germany
4. Casey Eye Institute, Oregon Health & Science University, Portland, OR, USA
5. Centre for Ophthalmology/Institute for Ophthalmic Research, University of Tübingen, Germany 5Competence Center Vision Research, Study Course “Ophthalmic Optics and Audiology”, Faculty of Optics and Mechatronics, University of Applied Sciences, Aalen, Germ