Absent state precedent to the contrary, in a federal forum, state procedural rules on tolling of claim are limited to the class of persons explicitly identified in the state precedent or statute. Federal forum cannot equitably modify, as it is a question of law.
http://www.ca5.uscourts.gov/opinions/pub/17/17-41087-CV0.pdf
Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Neither an authoritative statement of the law nor legal advice. Quick work.