@article{berg2014-24619848,
  author  = {Berg, D. and Postuma, R. B. and Bloem, B. and Chan, P. and Dubois, B. and Gasser, T. and Goetz, C. G. and Halliday, G. M. and others},
  title   = {{Time to redefine PD? Introductory statement of the MDS Task Force on the definition of Parkinson's disease}},
  journal = {Movement disorders : official journal of the Movement Disorder Society},
  year    = {2014},
  doi     = {10.1002/mds.25844},
  pmid    = {24619848},
  url     = {https://doi.org/10.1002/mds.25844}
}