Change of Auditorsthere has been a change in auditors
"Theralase Technologies Inc. (the “Corporation”) hereby gives notice that Collins Barrow Toronto LLP (the “Former Auditor”) has resigned effective March 24, 2017 and that Marcum LLP (the “Successor Auditor”) has been appointed as the Corporation’s auditor effective March 24, 2017 until the next annual meeting of the Corporation."
found this in SEDAR data base.