Author contribution: idea and draft of the manuscript, as well as approval of the submitted version. Karl Bjørnar Alstadhaug, specialist in neurology, senior consultant and professor. The author has ...
Olav H. Haugen (born 1955) Specialist in eye diseases, professor and head of the Section for Paediatric Ophthalmology and Strabismus. He has contributed to the planning and execution of the study and ...