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Financial & competing interests disclosure
Kullervo Hynynen is an investor in patents related to focusing ultrasound through skull and disrupting the blood–brain barrier with ultrasound. These patents are owned by Brigham and Women‘s Hospital, Boston, MA, USA. The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript apart from those disclosed.
No writing assistance was utilized in the production of this manuscript.