ROCHESTER, MINN. — Quantum Real Estate Advisors Inc. has arranged the sale of a freestanding medical office building in Rochester for an undisclosed price. Located at 124 Elton Hills Lane, the property is home to Bluestem Center for Child and Family Development. Seth Gilford of Quantum represented the seller, a Midwest healthcare provider. Zackary Hilgendorf of Quantum represented the buyer, a New York City-based medical acquisition fund.