1. Department of Neurology, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
2. ÜberResearch – Digital Science, Inc., Cambridge, MA, USA
3. Altmetric LLC – Digital Science, Inc., Cambridge, MA, USA
4. Department of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Centre, Nijmegen, The Netherlands