title: Comment on Numao et al.: Clinical correlates of serum insulin-like growth factor-1 in patients with Parkinson's disease, multiple system atrophy and progressive supranuclear palsy.
authors.affiliation: Department of Neurosciences, Odontostomatology and Reproductive Sciences, University "Federico II", Naples, Italy.
authors.forename: Marina
authors.initials: M
authors.lastname: Picillo
authors.affiliation: Center for Neurodegenerative Diseases (CEMAND), University of Salerno, Italy.
authors.forename: Paolo
authors.initials: P
authors.lastname: Barone
authors.affiliation: Sobell Department of Motor Neuroscience and Movement Disorders, University College London (UCL) Institute of Neurology, London, United Kingdom.
authors.forename: Roberto
authors.initials: R
authors.lastname: Erro
authors.affiliation: Department of Neurosciences, Odontostomatology and Reproductive Sciences, University "Federico II", Naples, Italy.
authors.forename: Emanuele
authors.initials: E
authors.lastname: Spina
authors.affiliation: Center for Neurodegenerative Diseases (CEMAND), University of Salerno, 84131 Salerno, Italy. Electronic address: mpellecchia@unisa.it.
authors.forename: Maria Teresa
authors.initials: MT
authors.lastname: Pellecchia
mesh_terms: D005260:Female; D006801:Humans; D007334:Insulin-Like Growth Factor I / Q000032:analysis*; D008297:Male; D019578:Multiple System Atrophy / Q000097:blood*; D010300:Parkinson Disease / Q000097:blood*; D013494:Supranuclear Palsy, Progressive / Q000097:blood*
chemical_list: D007334:Insulin-Like Growth Factor I
keywords: IGF-1; Insulin like growth factor 1; Motor; Multiple system atrophy; Parkinson disease