In memory of Halil Onder.

Department of Neurology, Etlik City Hospital, Ankara, Turkey

Halil Onder

Neurology Clinic, Dr Hulusi Alatas Elmadag State Hospital, Ankara, Turkey

Mehmet Eranil

Intergen Genetics and Rare Diseases Diagnosis, Research and Application Center, Ankara, Turkey

Serdar Ceylaner

Concept – H.O.; Design – H.O.; Supervision – S.C.; Materials – H.O, S.C.; Data Collection and/or Processing – H.O., M.E.; Analysis and/or Interpretation – H.O., M.E., S.C.; Literature Search – H.O; Writing Manuscript – H.O., Critical Review – H.O., S.C.

Correspondence to Halil Onder.