title: Addendum.
authors.affiliation: BCI Brain Painting Team, University of Würzburg, Germany.
authors.forename: Andrea
authors.initials: A
authors.lastname: Kübler
authors.forename: Elisa
authors.initials: E
authors.lastname: Holz
authors.forename: Loic
authors.initials: L
authors.lastname: Botrel
mesh_terms: D000368:Aged; D001155:Art Therapy / Q000295:instrumentation / Q000379:methods*; D062207:Brain-Computer Interfaces; D005260:Female; D006801:Humans; D011782:Quadriplegia / Q000175:diagnosis* / Q000628:therapy*