1. Department of Neurology, Nowon Eulji Medical Center, Eulji University School of Medicine, Seoul, Korea.
2. Department of Neurology, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwaseong, Korea.
3. Lilly Korea Ltd, Seoul, Korea.
4. Eli Lilly and Company, Sesto Fiorentino, FI, Italy.
5. Lilly Deutschland GmbH, Bad Homburg, Germany.
6. Department of Neurology, Seoul National University Hospital, Neuroscience Research Center, Seoul National University College of Medicine, Seoul, Korea.
7. Department of Neurology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea.
8. Department of Neurology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea.
9. Department of Neurology, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.