unanimously affirmed, Order without costs. Memorandum: Plaintiff appeals from an order of Special Term which granted summary judgment in favor of defendants, A. L. Lee Memorial Hospital and Michael Bowser, upon the grounds that plaintiff had failed to comply with sections 50-d, 50-e and 50-i of the General Municipal Law. Noncompliance with said sections is conceded by plaintiff. Nevertheless, he urges that section 50-e, requiring a 90-day notice of claim against a public corporation, is unconstitutional in that it is violative of the equal protection guarantees of our State and Federal Constitutions; or, in the alternative, estoppel of defendants to assert the provisions of said statutory section. Plaintiff premises his contention of unconstitutionality primarily upon two decisions of the Supreme Courts of the States of Michigan and Nevada which determined that statutory notice provisions of those jurisdictions, comparable to our section 50-e, constituted an unconstitutional deprivation of the equal protection guarantees of the respective State Constitutions and the Federal Constitution. (See Reich v State Highway Dept.,
